Home / 14,248.13-19,662.08-7,874.78

Finding the Fourth Proportional to 14,248.13, 19,662.08 and 7,874.78

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Solution

The fourth proportional to 14,248.13, 19,662.08 and 7,874.78 is: 10,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.13 : 19,662.08 = 7,874.78 : x
  2. Step 2: Convert to fraction form
    14,248.13/19,662.08 = 7,874.78/x
  3. Step 3: Cross multiply
    14,248.13x = 19,662.08 × 7,874.78
  4. Step 4: Simplify right side
    14,248.13x = 154,834,416.66
  5. Step 5: Solve for x
    x = 154,834,416.66/14,248.13
  6. Step 6: Final answer
    x = 10,867.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.