Home / 18,479.53-25,498.82-10,521.91

Finding the Fourth Proportional to 18,479.53, 25,498.82 and 10,521.91

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Solution

The fourth proportional to 18,479.53, 25,498.82 and 10,521.91 is: 14,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.53 : 25,498.82 = 10,521.91 : x
  2. Step 2: Convert to fraction form
    18,479.53/25,498.82 = 10,521.91/x
  3. Step 3: Cross multiply
    18,479.53x = 25,498.82 × 10,521.91
  4. Step 4: Simplify right side
    18,479.53x = 268,296,289.15
  5. Step 5: Solve for x
    x = 268,296,289.15/18,479.53
  6. Step 6: Final answer
    x = 14,518.57

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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.