Home / 11,389.52-15,717.66-6,354.17

Finding the Fourth Proportional to 11,389.52, 15,717.66 and 6,354.17

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Solution

The fourth proportional to 11,389.52, 15,717.66 and 6,354.17 is: 8,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.52 : 15,717.66 = 6,354.17 : x
  2. Step 2: Convert to fraction form
    11,389.52/15,717.66 = 6,354.17/x
  3. Step 3: Cross multiply
    11,389.52x = 15,717.66 × 6,354.17
  4. Step 4: Simplify right side
    11,389.52x = 99,872,683.64
  5. Step 5: Solve for x
    x = 99,872,683.64/11,389.52
  6. Step 6: Final answer
    x = 8,768.82

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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.