Home / 18,513.56-25,541.43-10,957.13

Finding the Fourth Proportional to 18,513.56, 25,541.43 and 10,957.13

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Solution

The fourth proportional to 18,513.56, 25,541.43 and 10,957.13 is: 15,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.56 : 25,541.43 = 10,957.13 : x
  2. Step 2: Convert to fraction form
    18,513.56/25,541.43 = 10,957.13/x
  3. Step 3: Cross multiply
    18,513.56x = 25,541.43 × 10,957.13
  4. Step 4: Simplify right side
    18,513.56x = 279,860,641.19
  5. Step 5: Solve for x
    x = 279,860,641.19/18,513.56
  6. Step 6: Final answer
    x = 15,116.53

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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.