Home / 15,690.60-23,487.30-9,097.20

Finding the Fourth Proportional to 15,690.60, 23,487.30 and 9,097.20

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Solution

The fourth proportional to 15,690.60, 23,487.30 and 9,097.20 is: 13,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.60 : 23,487.30 = 9,097.20 : x
  2. Step 2: Convert to fraction form
    15,690.60/23,487.30 = 9,097.20/x
  3. Step 3: Cross multiply
    15,690.60x = 23,487.30 × 9,097.20
  4. Step 4: Simplify right side
    15,690.60x = 213,668,665.56
  5. Step 5: Solve for x
    x = 213,668,665.56/15,690.60
  6. Step 6: Final answer
    x = 13,617.62

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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.