Home / 18,990.42-26,211.86-10,924.99

Finding the Fourth Proportional to 18,990.42, 26,211.86 and 10,924.99

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Solution

The fourth proportional to 18,990.42, 26,211.86 and 10,924.99 is: 15,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.42 : 26,211.86 = 10,924.99 : x
  2. Step 2: Convert to fraction form
    18,990.42/26,211.86 = 10,924.99/x
  3. Step 3: Cross multiply
    18,990.42x = 26,211.86 × 10,924.99
  4. Step 4: Simplify right side
    18,990.42x = 286,364,229.20
  5. Step 5: Solve for x
    x = 286,364,229.20/18,990.42
  6. Step 6: Final answer
    x = 15,079.41

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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.