Home / 14,267.48-21,298.11-12,517.88

Finding the Fourth Proportional to 14,267.48, 21,298.11 and 12,517.88

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Solution

The fourth proportional to 14,267.48, 21,298.11 and 12,517.88 is: 18,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.48 : 21,298.11 = 12,517.88 : x
  2. Step 2: Convert to fraction form
    14,267.48/21,298.11 = 12,517.88/x
  3. Step 3: Cross multiply
    14,267.48x = 21,298.11 × 12,517.88
  4. Step 4: Simplify right side
    14,267.48x = 266,607,078.72
  5. Step 5: Solve for x
    x = 266,607,078.72/14,267.48
  6. Step 6: Final answer
    x = 18,686.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.