Home / 10,381.91-14,324.87-6,603.72

Finding the Fourth Proportional to 10,381.91, 14,324.87 and 6,603.72

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Solution

The fourth proportional to 10,381.91, 14,324.87 and 6,603.72 is: 9,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.91 : 14,324.87 = 6,603.72 : x
  2. Step 2: Convert to fraction form
    10,381.91/14,324.87 = 6,603.72/x
  3. Step 3: Cross multiply
    10,381.91x = 14,324.87 × 6,603.72
  4. Step 4: Simplify right side
    10,381.91x = 94,597,397.50
  5. Step 5: Solve for x
    x = 94,597,397.50/10,381.91
  6. Step 6: Final answer
    x = 9,111.76

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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.