Home / 11,565.28-15,960.06-6,260.08

Finding the Fourth Proportional to 11,565.28, 15,960.06 and 6,260.08

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Solution

The fourth proportional to 11,565.28, 15,960.06 and 6,260.08 is: 8,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.28 : 15,960.06 = 6,260.08 : x
  2. Step 2: Convert to fraction form
    11,565.28/15,960.06 = 6,260.08/x
  3. Step 3: Cross multiply
    11,565.28x = 15,960.06 × 6,260.08
  4. Step 4: Simplify right side
    11,565.28x = 99,911,252.40
  5. Step 5: Solve for x
    x = 99,911,252.40/11,565.28
  6. Step 6: Final answer
    x = 8,638.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.