Home / 10,685.92-14,748.45-6,211.06

Finding the Fourth Proportional to 10,685.92, 14,748.45 and 6,211.06

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Solution

The fourth proportional to 10,685.92, 14,748.45 and 6,211.06 is: 8,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.92 : 14,748.45 = 6,211.06 : x
  2. Step 2: Convert to fraction form
    10,685.92/14,748.45 = 6,211.06/x
  3. Step 3: Cross multiply
    10,685.92x = 14,748.45 × 6,211.06
  4. Step 4: Simplify right side
    10,685.92x = 91,603,507.86
  5. Step 5: Solve for x
    x = 91,603,507.86/10,685.92
  6. Step 6: Final answer
    x = 8,572.36

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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.