Home / 10,447.11-15,562.08-9,881.22

Finding the Fourth Proportional to 10,447.11, 15,562.08 and 9,881.22

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Solution

The fourth proportional to 10,447.11, 15,562.08 and 9,881.22 is: 14,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.11 : 15,562.08 = 9,881.22 : x
  2. Step 2: Convert to fraction form
    10,447.11/15,562.08 = 9,881.22/x
  3. Step 3: Cross multiply
    10,447.11x = 15,562.08 × 9,881.22
  4. Step 4: Simplify right side
    10,447.11x = 153,772,336.14
  5. Step 5: Solve for x
    x = 153,772,336.14/10,447.11
  6. Step 6: Final answer
    x = 14,719.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.