Home / 15,438.60-23,159.52-9,590.40

Finding the Fourth Proportional to 15,438.60, 23,159.52 and 9,590.40

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Solution

The fourth proportional to 15,438.60, 23,159.52 and 9,590.40 is: 14,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.60 : 23,159.52 = 9,590.40 : x
  2. Step 2: Convert to fraction form
    15,438.60/23,159.52 = 9,590.40/x
  3. Step 3: Cross multiply
    15,438.60x = 23,159.52 × 9,590.40
  4. Step 4: Simplify right side
    15,438.60x = 222,109,060.61
  5. Step 5: Solve for x
    x = 222,109,060.61/15,438.60
  6. Step 6: Final answer
    x = 14,386.61

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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.