Home / 10,432.36-15,643.68-5,504.32

Finding the Fourth Proportional to 10,432.36, 15,643.68 and 5,504.32

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Solution

The fourth proportional to 10,432.36, 15,643.68 and 5,504.32 is: 8,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.36 : 15,643.68 = 5,504.32 : x
  2. Step 2: Convert to fraction form
    10,432.36/15,643.68 = 5,504.32/x
  3. Step 3: Cross multiply
    10,432.36x = 15,643.68 × 5,504.32
  4. Step 4: Simplify right side
    10,432.36x = 86,107,820.70
  5. Step 5: Solve for x
    x = 86,107,820.70/10,432.36
  6. Step 6: Final answer
    x = 8,253.92

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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.