Home / 14,276.32-21,475.92-12,248.80

Finding the Fourth Proportional to 14,276.32, 21,475.92 and 12,248.80

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Solution

The fourth proportional to 14,276.32, 21,475.92 and 12,248.80 is: 18,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.32 : 21,475.92 = 12,248.80 : x
  2. Step 2: Convert to fraction form
    14,276.32/21,475.92 = 12,248.80/x
  3. Step 3: Cross multiply
    14,276.32x = 21,475.92 × 12,248.80
  4. Step 4: Simplify right side
    14,276.32x = 263,054,248.90
  5. Step 5: Solve for x
    x = 263,054,248.90/14,276.32
  6. Step 6: Final answer
    x = 18,425.91

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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.