Home / 10,144.32-14,001.50-6,601.38

Finding the Fourth Proportional to 10,144.32, 14,001.50 and 6,601.38

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Solution

The fourth proportional to 10,144.32, 14,001.50 and 6,601.38 is: 9,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.32 : 14,001.50 = 6,601.38 : x
  2. Step 2: Convert to fraction form
    10,144.32/14,001.50 = 6,601.38/x
  3. Step 3: Cross multiply
    10,144.32x = 14,001.50 × 6,601.38
  4. Step 4: Simplify right side
    10,144.32x = 92,429,222.07
  5. Step 5: Solve for x
    x = 92,429,222.07/10,144.32
  6. Step 6: Final answer
    x = 9,111.43

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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.