Home / 15,505.20-23,257.80-9,284.40

Finding the Fourth Proportional to 15,505.20, 23,257.80 and 9,284.40

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Solution

The fourth proportional to 15,505.20, 23,257.80 and 9,284.40 is: 13,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.20 : 23,257.80 = 9,284.40 : x
  2. Step 2: Convert to fraction form
    15,505.20/23,257.80 = 9,284.40/x
  3. Step 3: Cross multiply
    15,505.20x = 23,257.80 × 9,284.40
  4. Step 4: Simplify right side
    15,505.20x = 215,934,718.32
  5. Step 5: Solve for x
    x = 215,934,718.32/15,505.20
  6. Step 6: Final answer
    x = 13,926.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.