Home / 9,089.60-12,543.99-5,505.74

Finding the Fourth Proportional to 9,089.60, 12,543.99 and 5,505.74

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Solution

The fourth proportional to 9,089.60, 12,543.99 and 5,505.74 is: 7,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.60 : 12,543.99 = 5,505.74 : x
  2. Step 2: Convert to fraction form
    9,089.60/12,543.99 = 5,505.74/x
  3. Step 3: Cross multiply
    9,089.60x = 12,543.99 × 5,505.74
  4. Step 4: Simplify right side
    9,089.60x = 69,063,947.50
  5. Step 5: Solve for x
    x = 69,063,947.50/9,089.60
  6. Step 6: Final answer
    x = 7,598.13

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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.