Home / 18,479.88-25,503.26-10,521.93

Finding the Fourth Proportional to 18,479.88, 25,503.26 and 10,521.93

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Solution

The fourth proportional to 18,479.88, 25,503.26 and 10,521.93 is: 14,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.88 : 25,503.26 = 10,521.93 : x
  2. Step 2: Convert to fraction form
    18,479.88/25,503.26 = 10,521.93/x
  3. Step 3: Cross multiply
    18,479.88x = 25,503.26 × 10,521.93
  4. Step 4: Simplify right side
    18,479.88x = 268,343,559.52
  5. Step 5: Solve for x
    x = 268,343,559.52/18,479.88
  6. Step 6: Final answer
    x = 14,520.85

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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.