Home / 10,214.68-15,328.70-4,371.75

Finding the Fourth Proportional to 10,214.68, 15,328.70 and 4,371.75

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Solution

The fourth proportional to 10,214.68, 15,328.70 and 4,371.75 is: 6,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.68 : 15,328.70 = 4,371.75 : x
  2. Step 2: Convert to fraction form
    10,214.68/15,328.70 = 4,371.75/x
  3. Step 3: Cross multiply
    10,214.68x = 15,328.70 × 4,371.75
  4. Step 4: Simplify right side
    10,214.68x = 67,013,244.23
  5. Step 5: Solve for x
    x = 67,013,244.23/10,214.68
  6. Step 6: Final answer
    x = 6,560.48

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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.