Home / 21,234.24-29,316.04-14,070.20

Finding the Fourth Proportional to 21,234.24, 29,316.04 and 14,070.20

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Solution

The fourth proportional to 21,234.24, 29,316.04 and 14,070.20 is: 19,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234.24 : 29,316.04 = 14,070.20 : x
  2. Step 2: Convert to fraction form
    21,234.24/29,316.04 = 14,070.20/x
  3. Step 3: Cross multiply
    21,234.24x = 29,316.04 × 14,070.20
  4. Step 4: Simplify right side
    21,234.24x = 412,482,546.01
  5. Step 5: Solve for x
    x = 412,482,546.01/21,234.24
  6. Step 6: Final answer
    x = 19,425.35

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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.