Home / 18,610.16-25,688.76-12,324.56

Finding the Fourth Proportional to 18,610.16, 25,688.76 and 12,324.56

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Solution

The fourth proportional to 18,610.16, 25,688.76 and 12,324.56 is: 17,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.16 : 25,688.76 = 12,324.56 : x
  2. Step 2: Convert to fraction form
    18,610.16/25,688.76 = 12,324.56/x
  3. Step 3: Cross multiply
    18,610.16x = 25,688.76 × 12,324.56
  4. Step 4: Simplify right side
    18,610.16x = 316,602,663.95
  5. Step 5: Solve for x
    x = 316,602,663.95/18,610.16
  6. Step 6: Final answer
    x = 17,012.36

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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.