Home / 15,210.41-20,990.14-8,496.13

Finding the Fourth Proportional to 15,210.41, 20,990.14 and 8,496.13

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Solution

The fourth proportional to 15,210.41, 20,990.14 and 8,496.13 is: 11,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.41 : 20,990.14 = 8,496.13 : x
  2. Step 2: Convert to fraction form
    15,210.41/20,990.14 = 8,496.13/x
  3. Step 3: Cross multiply
    15,210.41x = 20,990.14 × 8,496.13
  4. Step 4: Simplify right side
    15,210.41x = 178,334,958.16
  5. Step 5: Solve for x
    x = 178,334,958.16/15,210.41
  6. Step 6: Final answer
    x = 11,724.53

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Double scale
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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.