Home / 11,565.13-15,959.84-6,259.93

Finding the Fourth Proportional to 11,565.13, 15,959.84 and 6,259.93

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Solution

The fourth proportional to 11,565.13, 15,959.84 and 6,259.93 is: 8,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.13 : 15,959.84 = 6,259.93 : x
  2. Step 2: Convert to fraction form
    11,565.13/15,959.84 = 6,259.93/x
  3. Step 3: Cross multiply
    11,565.13x = 15,959.84 × 6,259.93
  4. Step 4: Simplify right side
    11,565.13x = 99,907,496.86
  5. Step 5: Solve for x
    x = 99,907,496.86/11,565.13
  6. Step 6: Final answer
    x = 8,638.69

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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.