Home / 10,263.64-15,381.40-5,577.52

Finding the Fourth Proportional to 10,263.64, 15,381.40 and 5,577.52

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Solution

The fourth proportional to 10,263.64, 15,381.40 and 5,577.52 is: 8,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.64 : 15,381.40 = 5,577.52 : x
  2. Step 2: Convert to fraction form
    10,263.64/15,381.40 = 5,577.52/x
  3. Step 3: Cross multiply
    10,263.64x = 15,381.40 × 5,577.52
  4. Step 4: Simplify right side
    10,263.64x = 85,790,066.13
  5. Step 5: Solve for x
    x = 85,790,066.13/10,263.64
  6. Step 6: Final answer
    x = 8,358.64

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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.