Home / 10,177.82-14,045.53-6,638.99

Finding the Fourth Proportional to 10,177.82, 14,045.53 and 6,638.99

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Solution

The fourth proportional to 10,177.82, 14,045.53 and 6,638.99 is: 9,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.82 : 14,045.53 = 6,638.99 : x
  2. Step 2: Convert to fraction form
    10,177.82/14,045.53 = 6,638.99/x
  3. Step 3: Cross multiply
    10,177.82x = 14,045.53 × 6,638.99
  4. Step 4: Simplify right side
    10,177.82x = 93,248,151.73
  5. Step 5: Solve for x
    x = 93,248,151.73/10,177.82
  6. Step 6: Final answer
    x = 9,161.90

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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.