Home / 11,315.52-15,614.56-6,598.88

Finding the Fourth Proportional to 11,315.52, 15,614.56 and 6,598.88

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Solution

The fourth proportional to 11,315.52, 15,614.56 and 6,598.88 is: 9,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.52 : 15,614.56 = 6,598.88 : x
  2. Step 2: Convert to fraction form
    11,315.52/15,614.56 = 6,598.88/x
  3. Step 3: Cross multiply
    11,315.52x = 15,614.56 × 6,598.88
  4. Step 4: Simplify right side
    11,315.52x = 103,038,607.69
  5. Step 5: Solve for x
    x = 103,038,607.69/11,315.52
  6. Step 6: Final answer
    x = 9,105.95

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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.