Home / 14,267.35-21,297.92-12,517.75

Finding the Fourth Proportional to 14,267.35, 21,297.92 and 12,517.75

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Solution

The fourth proportional to 14,267.35, 21,297.92 and 12,517.75 is: 18,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.35 : 21,297.92 = 12,517.75 : x
  2. Step 2: Convert to fraction form
    14,267.35/21,297.92 = 12,517.75/x
  3. Step 3: Cross multiply
    14,267.35x = 21,297.92 × 12,517.75
  4. Step 4: Simplify right side
    14,267.35x = 266,602,038.08
  5. Step 5: Solve for x
    x = 266,602,038.08/14,267.35
  6. Step 6: Final answer
    x = 18,686.16

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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.