Home / 14,165.04-21,250.88-13,929.96

Finding the Fourth Proportional to 14,165.04, 21,250.88 and 13,929.96

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Solution

The fourth proportional to 14,165.04, 21,250.88 and 13,929.96 is: 20,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.04 : 21,250.88 = 13,929.96 : x
  2. Step 2: Convert to fraction form
    14,165.04/21,250.88 = 13,929.96/x
  3. Step 3: Cross multiply
    14,165.04x = 21,250.88 × 13,929.96
  4. Step 4: Simplify right side
    14,165.04x = 296,023,908.36
  5. Step 5: Solve for x
    x = 296,023,908.36/14,165.04
  6. Step 6: Final answer
    x = 20,898.20

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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.