Home / 10,405.60-15,594.78-9,086.02

Finding the Fourth Proportional to 10,405.60, 15,594.78 and 9,086.02

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Solution

The fourth proportional to 10,405.60, 15,594.78 and 9,086.02 is: 13,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.60 : 15,594.78 = 9,086.02 : x
  2. Step 2: Convert to fraction form
    10,405.60/15,594.78 = 9,086.02/x
  3. Step 3: Cross multiply
    10,405.60x = 15,594.78 × 9,086.02
  4. Step 4: Simplify right side
    10,405.60x = 141,694,482.98
  5. Step 5: Solve for x
    x = 141,694,482.98/10,405.60
  6. Step 6: Final answer
    x = 13,617.14

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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.