Home / 10,145.32-15,207.95-3,567.92

Finding the Fourth Proportional to 10,145.32, 15,207.95 and 3,567.92

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Solution

The fourth proportional to 10,145.32, 15,207.95 and 3,567.92 is: 5,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.32 : 15,207.95 = 3,567.92 : x
  2. Step 2: Convert to fraction form
    10,145.32/15,207.95 = 3,567.92/x
  3. Step 3: Cross multiply
    10,145.32x = 15,207.95 × 3,567.92
  4. Step 4: Simplify right side
    10,145.32x = 54,260,681.84
  5. Step 5: Solve for x
    x = 54,260,681.84/10,145.32
  6. Step 6: Final answer
    x = 5,348.35

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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.