Home / 13,323.84-18,356.16-12,701.76

Finding the Fourth Proportional to 13,323.84, 18,356.16 and 12,701.76

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Solution

The fourth proportional to 13,323.84, 18,356.16 and 12,701.76 is: 17,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.84 : 18,356.16 = 12,701.76 : x
  2. Step 2: Convert to fraction form
    13,323.84/18,356.16 = 12,701.76/x
  3. Step 3: Cross multiply
    13,323.84x = 18,356.16 × 12,701.76
  4. Step 4: Simplify right side
    13,323.84x = 233,155,538.84
  5. Step 5: Solve for x
    x = 233,155,538.84/13,323.84
  6. Step 6: Final answer
    x = 17,499.12

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.