Home / 14,039.76-21,060.36-6,248.64

Finding the Fourth Proportional to 14,039.76, 21,060.36 and 6,248.64

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Solution

The fourth proportional to 14,039.76, 21,060.36 and 6,248.64 is: 9,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.76 : 21,060.36 = 6,248.64 : x
  2. Step 2: Convert to fraction form
    14,039.76/21,060.36 = 6,248.64/x
  3. Step 3: Cross multiply
    14,039.76x = 21,060.36 × 6,248.64
  4. Step 4: Simplify right side
    14,039.76x = 131,598,607.91
  5. Step 5: Solve for x
    x = 131,598,607.91/14,039.76
  6. Step 6: Final answer
    x = 9,373.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.