Home / 15,539.43-23,316.10-8,142.19

Finding the Fourth Proportional to 15,539.43, 23,316.10 and 8,142.19

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Solution

The fourth proportional to 15,539.43, 23,316.10 and 8,142.19 is: 12,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.43 : 23,316.10 = 8,142.19 : x
  2. Step 2: Convert to fraction form
    15,539.43/23,316.10 = 8,142.19/x
  3. Step 3: Cross multiply
    15,539.43x = 23,316.10 × 8,142.19
  4. Step 4: Simplify right side
    15,539.43x = 189,844,081.07
  5. Step 5: Solve for x
    x = 189,844,081.07/15,539.43
  6. Step 6: Final answer
    x = 12,216.93

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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.