Home / 11,113.91-15,337.02-6,078.01

Finding the Fourth Proportional to 11,113.91, 15,337.02 and 6,078.01

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Solution

The fourth proportional to 11,113.91, 15,337.02 and 6,078.01 is: 8,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.91 : 15,337.02 = 6,078.01 : x
  2. Step 2: Convert to fraction form
    11,113.91/15,337.02 = 6,078.01/x
  3. Step 3: Cross multiply
    11,113.91x = 15,337.02 × 6,078.01
  4. Step 4: Simplify right side
    11,113.91x = 93,218,600.18
  5. Step 5: Solve for x
    x = 93,218,600.18/11,113.91
  6. Step 6: Final answer
    x = 8,387.56

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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.