Home / 10,487.64-15,727.38-4,246.08

Finding the Fourth Proportional to 10,487.64, 15,727.38 and 4,246.08

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Solution

The fourth proportional to 10,487.64, 15,727.38 and 4,246.08 is: 6,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.64 : 15,727.38 = 4,246.08 : x
  2. Step 2: Convert to fraction form
    10,487.64/15,727.38 = 4,246.08/x
  3. Step 3: Cross multiply
    10,487.64x = 15,727.38 × 4,246.08
  4. Step 4: Simplify right side
    10,487.64x = 66,779,713.67
  5. Step 5: Solve for x
    x = 66,779,713.67/10,487.64
  6. Step 6: Final answer
    x = 6,367.47

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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.