Home / 9,921.17-13,691.20-5,444.93

Finding the Fourth Proportional to 9,921.17, 13,691.20 and 5,444.93

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Solution

The fourth proportional to 9,921.17, 13,691.20 and 5,444.93 is: 7,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.17 : 13,691.20 = 5,444.93 : x
  2. Step 2: Convert to fraction form
    9,921.17/13,691.20 = 5,444.93/x
  3. Step 3: Cross multiply
    9,921.17x = 13,691.20 × 5,444.93
  4. Step 4: Simplify right side
    9,921.17x = 74,547,576.95
  5. Step 5: Solve for x
    x = 74,547,576.95/9,921.17
  6. Step 6: Final answer
    x = 7,513.99

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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.