Home / 18,510.02-25,521.36-12,849.53

Finding the Fourth Proportional to 18,510.02, 25,521.36 and 12,849.53

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Solution

The fourth proportional to 18,510.02, 25,521.36 and 12,849.53 is: 17,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.02 : 25,521.36 = 12,849.53 : x
  2. Step 2: Convert to fraction form
    18,510.02/25,521.36 = 12,849.53/x
  3. Step 3: Cross multiply
    18,510.02x = 25,521.36 × 12,849.53
  4. Step 4: Simplify right side
    18,510.02x = 327,937,480.96
  5. Step 5: Solve for x
    x = 327,937,480.96/18,510.02
  6. Step 6: Final answer
    x = 17,716.76

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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.