Home / 18,130.47-25,020.26-10,960.78

Finding the Fourth Proportional to 18,130.47, 25,020.26 and 10,960.78

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Solution

The fourth proportional to 18,130.47, 25,020.26 and 10,960.78 is: 15,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.47 : 25,020.26 = 10,960.78 : x
  2. Step 2: Convert to fraction form
    18,130.47/25,020.26 = 10,960.78/x
  3. Step 3: Cross multiply
    18,130.47x = 25,020.26 × 10,960.78
  4. Step 4: Simplify right side
    18,130.47x = 274,241,489.15
  5. Step 5: Solve for x
    x = 274,241,489.15/18,130.47
  6. Step 6: Final answer
    x = 15,126.00

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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.