Home / 13,297.95-18,350.58-7,628.76

Finding the Fourth Proportional to 13,297.95, 18,350.58 and 7,628.76

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Solution

The fourth proportional to 13,297.95, 18,350.58 and 7,628.76 is: 10,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.95 : 18,350.58 = 7,628.76 : x
  2. Step 2: Convert to fraction form
    13,297.95/18,350.58 = 7,628.76/x
  3. Step 3: Cross multiply
    13,297.95x = 18,350.58 × 7,628.76
  4. Step 4: Simplify right side
    13,297.95x = 139,992,170.68
  5. Step 5: Solve for x
    x = 139,992,170.68/13,297.95
  6. Step 6: Final answer
    x = 10,527.35

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Double scale
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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.