Home / 14,254.42-21,385.12-10,045.88

Finding the Fourth Proportional to 14,254.42, 21,385.12 and 10,045.88

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Solution

The fourth proportional to 14,254.42, 21,385.12 and 10,045.88 is: 15,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.42 : 21,385.12 = 10,045.88 : x
  2. Step 2: Convert to fraction form
    14,254.42/21,385.12 = 10,045.88/x
  3. Step 3: Cross multiply
    14,254.42x = 21,385.12 × 10,045.88
  4. Step 4: Simplify right side
    14,254.42x = 214,832,358.82
  5. Step 5: Solve for x
    x = 214,832,358.82/14,254.42
  6. Step 6: Final answer
    x = 15,071.28

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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.