Home / 18,510.13-25,544.35-10,126.81

Finding the Fourth Proportional to 18,510.13, 25,544.35 and 10,126.81

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Solution

The fourth proportional to 18,510.13, 25,544.35 and 10,126.81 is: 13,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.13 : 25,544.35 = 10,126.81 : x
  2. Step 2: Convert to fraction form
    18,510.13/25,544.35 = 10,126.81/x
  3. Step 3: Cross multiply
    18,510.13x = 25,544.35 × 10,126.81
  4. Step 4: Simplify right side
    18,510.13x = 258,682,600.67
  5. Step 5: Solve for x
    x = 258,682,600.67/18,510.13
  6. Step 6: Final answer
    x = 13,975.19

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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.