Home / 10,172.38-15,264.99-4,328.98

Finding the Fourth Proportional to 10,172.38, 15,264.99 and 4,328.98

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Solution

The fourth proportional to 10,172.38, 15,264.99 and 4,328.98 is: 6,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.38 : 15,264.99 = 4,328.98 : x
  2. Step 2: Convert to fraction form
    10,172.38/15,264.99 = 4,328.98/x
  3. Step 3: Cross multiply
    10,172.38x = 15,264.99 × 4,328.98
  4. Step 4: Simplify right side
    10,172.38x = 66,081,836.41
  5. Step 5: Solve for x
    x = 66,081,836.41/10,172.38
  6. Step 6: Final answer
    x = 6,496.20

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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.