Home / 9,856.50-13,604.28-6,499.92

Finding the Fourth Proportional to 9,856.50, 13,604.28 and 6,499.92

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Solution

The fourth proportional to 9,856.50, 13,604.28 and 6,499.92 is: 8,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.50 : 13,604.28 = 6,499.92 : x
  2. Step 2: Convert to fraction form
    9,856.50/13,604.28 = 6,499.92/x
  3. Step 3: Cross multiply
    9,856.50x = 13,604.28 × 6,499.92
  4. Step 4: Simplify right side
    9,856.50x = 88,426,731.66
  5. Step 5: Solve for x
    x = 88,426,731.66/9,856.50
  6. Step 6: Final answer
    x = 8,971.41

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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.