Home / 10,220.95-14,099.13-6,437.61

Finding the Fourth Proportional to 10,220.95, 14,099.13 and 6,437.61

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Solution

The fourth proportional to 10,220.95, 14,099.13 and 6,437.61 is: 8,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.95 : 14,099.13 = 6,437.61 : x
  2. Step 2: Convert to fraction form
    10,220.95/14,099.13 = 6,437.61/x
  3. Step 3: Cross multiply
    10,220.95x = 14,099.13 × 6,437.61
  4. Step 4: Simplify right side
    10,220.95x = 90,764,700.28
  5. Step 5: Solve for x
    x = 90,764,700.28/10,220.95
  6. Step 6: Final answer
    x = 8,880.26

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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.