Home / 18,079.95-24,950.66-10,122.15

Finding the Fourth Proportional to 18,079.95, 24,950.66 and 10,122.15

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Solution

The fourth proportional to 18,079.95, 24,950.66 and 10,122.15 is: 13,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.95 : 24,950.66 = 10,122.15 : x
  2. Step 2: Convert to fraction form
    18,079.95/24,950.66 = 10,122.15/x
  3. Step 3: Cross multiply
    18,079.95x = 24,950.66 × 10,122.15
  4. Step 4: Simplify right side
    18,079.95x = 252,554,272.51
  5. Step 5: Solve for x
    x = 252,554,272.51/18,079.95
  6. Step 6: Final answer
    x = 13,968.75

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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.