Home / 18,330.08-25,294.12-10,776.72

Finding the Fourth Proportional to 18,330.08, 25,294.12 and 10,776.72

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Solution

The fourth proportional to 18,330.08, 25,294.12 and 10,776.72 is: 14,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.08 : 25,294.12 = 10,776.72 : x
  2. Step 2: Convert to fraction form
    18,330.08/25,294.12 = 10,776.72/x
  3. Step 3: Cross multiply
    18,330.08x = 25,294.12 × 10,776.72
  4. Step 4: Simplify right side
    18,330.08x = 272,587,648.89
  5. Step 5: Solve for x
    x = 272,587,648.89/18,330.08
  6. Step 6: Final answer
    x = 14,871.06

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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.