Home / 15,421.93-23,131.33-10,456.18

Finding the Fourth Proportional to 15,421.93, 23,131.33 and 10,456.18

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Solution

The fourth proportional to 15,421.93, 23,131.33 and 10,456.18 is: 15,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.93 : 23,131.33 = 10,456.18 : x
  2. Step 2: Convert to fraction form
    15,421.93/23,131.33 = 10,456.18/x
  3. Step 3: Cross multiply
    15,421.93x = 23,131.33 × 10,456.18
  4. Step 4: Simplify right side
    15,421.93x = 241,865,350.12
  5. Step 5: Solve for x
    x = 241,865,350.12/15,421.93
  6. Step 6: Final answer
    x = 15,683.21

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Double scale
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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.