Home / 10,459.35-15,685.14-4,217.70

Finding the Fourth Proportional to 10,459.35, 15,685.14 and 4,217.70

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Solution

The fourth proportional to 10,459.35, 15,685.14 and 4,217.70 is: 6,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.35 : 15,685.14 = 4,217.70 : x
  2. Step 2: Convert to fraction form
    10,459.35/15,685.14 = 4,217.70/x
  3. Step 3: Cross multiply
    10,459.35x = 15,685.14 × 4,217.70
  4. Step 4: Simplify right side
    10,459.35x = 66,155,214.98
  5. Step 5: Solve for x
    x = 66,155,214.98/10,459.35
  6. Step 6: Final answer
    x = 6,324.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.