Home / 11,612.79-17,419.14-5,038.11

Finding the Fourth Proportional to 11,612.79, 17,419.14 and 5,038.11

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Solution

The fourth proportional to 11,612.79, 17,419.14 and 5,038.11 is: 7,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.79 : 17,419.14 = 5,038.11 : x
  2. Step 2: Convert to fraction form
    11,612.79/17,419.14 = 5,038.11/x
  3. Step 3: Cross multiply
    11,612.79x = 17,419.14 × 5,038.11
  4. Step 4: Simplify right side
    11,612.79x = 87,759,543.43
  5. Step 5: Solve for x
    x = 87,759,543.43/11,612.79
  6. Step 6: Final answer
    x = 7,557.15

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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.