Home / 11,565.13-15,959.88-6,259.99

Finding the Fourth Proportional to 11,565.13, 15,959.88 and 6,259.99

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Solution

The fourth proportional to 11,565.13, 15,959.88 and 6,259.99 is: 8,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.13 : 15,959.88 = 6,259.99 : x
  2. Step 2: Convert to fraction form
    11,565.13/15,959.88 = 6,259.99/x
  3. Step 3: Cross multiply
    11,565.13x = 15,959.88 × 6,259.99
  4. Step 4: Simplify right side
    11,565.13x = 99,908,578.10
  5. Step 5: Solve for x
    x = 99,908,578.10/11,565.13
  6. Step 6: Final answer
    x = 8,638.78

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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.