Home / 13,262.13-19,888.74-6,684.12

Finding the Fourth Proportional to 13,262.13, 19,888.74 and 6,684.12

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Solution

The fourth proportional to 13,262.13, 19,888.74 and 6,684.12 is: 10,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.13 : 19,888.74 = 6,684.12 : x
  2. Step 2: Convert to fraction form
    13,262.13/19,888.74 = 6,684.12/x
  3. Step 3: Cross multiply
    13,262.13x = 19,888.74 × 6,684.12
  4. Step 4: Simplify right side
    13,262.13x = 132,938,724.81
  5. Step 5: Solve for x
    x = 132,938,724.81/13,262.13
  6. Step 6: Final answer
    x = 10,023.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.