Home / 10,851.32-14,967.18-6,661.88

Finding the Fourth Proportional to 10,851.32, 14,967.18 and 6,661.88

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Solution

The fourth proportional to 10,851.32, 14,967.18 and 6,661.88 is: 9,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.32 : 14,967.18 = 6,661.88 : x
  2. Step 2: Convert to fraction form
    10,851.32/14,967.18 = 6,661.88/x
  3. Step 3: Cross multiply
    10,851.32x = 14,967.18 × 6,661.88
  4. Step 4: Simplify right side
    10,851.32x = 99,709,557.10
  5. Step 5: Solve for x
    x = 99,709,557.10/10,851.32
  6. Step 6: Final answer
    x = 9,188.70

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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.