Home / 15,539.40-23,276.19-12,565.08

Finding the Fourth Proportional to 15,539.40, 23,276.19 and 12,565.08

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Solution

The fourth proportional to 15,539.40, 23,276.19 and 12,565.08 is: 18,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.40 : 23,276.19 = 12,565.08 : x
  2. Step 2: Convert to fraction form
    15,539.40/23,276.19 = 12,565.08/x
  3. Step 3: Cross multiply
    15,539.40x = 23,276.19 × 12,565.08
  4. Step 4: Simplify right side
    15,539.40x = 292,467,189.45
  5. Step 5: Solve for x
    x = 292,467,189.45/15,539.40
  6. Step 6: Final answer
    x = 18,821.01

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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.