Home / 11,331.59-15,633.23-8,354.50

Finding the Fourth Proportional to 11,331.59, 15,633.23 and 8,354.50

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Solution

The fourth proportional to 11,331.59, 15,633.23 and 8,354.50 is: 11,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.59 : 15,633.23 = 8,354.50 : x
  2. Step 2: Convert to fraction form
    11,331.59/15,633.23 = 8,354.50/x
  3. Step 3: Cross multiply
    11,331.59x = 15,633.23 × 8,354.50
  4. Step 4: Simplify right side
    11,331.59x = 130,607,829.13
  5. Step 5: Solve for x
    x = 130,607,829.13/11,331.59
  6. Step 6: Final answer
    x = 11,525.99

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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.