Home / 10,777.20-14,872.86-6,304.20

Finding the Fourth Proportional to 10,777.20, 14,872.86 and 6,304.20

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Solution

The fourth proportional to 10,777.20, 14,872.86 and 6,304.20 is: 8,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.20 : 14,872.86 = 6,304.20 : x
  2. Step 2: Convert to fraction form
    10,777.20/14,872.86 = 6,304.20/x
  3. Step 3: Cross multiply
    10,777.20x = 14,872.86 × 6,304.20
  4. Step 4: Simplify right side
    10,777.20x = 93,761,484.01
  5. Step 5: Solve for x
    x = 93,761,484.01/10,777.20
  6. Step 6: Final answer
    x = 8,699.99

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1.5x scale

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.