Home / 15,565.90-23,323.20-8,980.60

Finding the Fourth Proportional to 15,565.90, 23,323.20 and 8,980.60

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Solution

The fourth proportional to 15,565.90, 23,323.20 and 8,980.60 is: 13,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.90 : 23,323.20 = 8,980.60 : x
  2. Step 2: Convert to fraction form
    15,565.90/23,323.20 = 8,980.60/x
  3. Step 3: Cross multiply
    15,565.90x = 23,323.20 × 8,980.60
  4. Step 4: Simplify right side
    15,565.90x = 209,456,329.92
  5. Step 5: Solve for x
    x = 209,456,329.92/15,565.90
  6. Step 6: Final answer
    x = 13,456.10

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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.