Home / 14,153.32-21,220.98-6,753.88

Finding the Fourth Proportional to 14,153.32, 21,220.98 and 6,753.88

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Solution

The fourth proportional to 14,153.32, 21,220.98 and 6,753.88 is: 10,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.32 : 21,220.98 = 6,753.88 : x
  2. Step 2: Convert to fraction form
    14,153.32/21,220.98 = 6,753.88/x
  3. Step 3: Cross multiply
    14,153.32x = 21,220.98 × 6,753.88
  4. Step 4: Simplify right side
    14,153.32x = 143,323,952.40
  5. Step 5: Solve for x
    x = 143,323,952.40/14,153.32
  6. Step 6: Final answer
    x = 10,126.53

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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.