Home / 18,632.17-25,712.57-10,134.38

Finding the Fourth Proportional to 18,632.17, 25,712.57 and 10,134.38

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Solution

The fourth proportional to 18,632.17, 25,712.57 and 10,134.38 is: 13,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.17 : 25,712.57 = 10,134.38 : x
  2. Step 2: Convert to fraction form
    18,632.17/25,712.57 = 10,134.38/x
  3. Step 3: Cross multiply
    18,632.17x = 25,712.57 × 10,134.38
  4. Step 4: Simplify right side
    18,632.17x = 260,580,955.16
  5. Step 5: Solve for x
    x = 260,580,955.16/18,632.17
  6. Step 6: Final answer
    x = 13,985.54

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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.