Home / 18,510.74-25,545.43-10,127.24

Finding the Fourth Proportional to 18,510.74, 25,545.43 and 10,127.24

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Solution

The fourth proportional to 18,510.74, 25,545.43 and 10,127.24 is: 13,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.74 : 25,545.43 = 10,127.24 : x
  2. Step 2: Convert to fraction form
    18,510.74/25,545.43 = 10,127.24/x
  3. Step 3: Cross multiply
    18,510.74x = 25,545.43 × 10,127.24
  4. Step 4: Simplify right side
    18,510.74x = 258,704,700.51
  5. Step 5: Solve for x
    x = 258,704,700.51/18,510.74
  6. Step 6: Final answer
    x = 13,975.92

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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.