Home / 10,868.78-14,999.28-6,088.93

Finding the Fourth Proportional to 10,868.78, 14,999.28 and 6,088.93

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Solution

The fourth proportional to 10,868.78, 14,999.28 and 6,088.93 is: 8,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.78 : 14,999.28 = 6,088.93 : x
  2. Step 2: Convert to fraction form
    10,868.78/14,999.28 = 6,088.93/x
  3. Step 3: Cross multiply
    10,868.78x = 14,999.28 × 6,088.93
  4. Step 4: Simplify right side
    10,868.78x = 91,329,565.97
  5. Step 5: Solve for x
    x = 91,329,565.97/10,868.78
  6. Step 6: Final answer
    x = 8,402.93

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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.