Home / 18,479.09-25,500.88-10,521.14

Finding the Fourth Proportional to 18,479.09, 25,500.88 and 10,521.14

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Solution

The fourth proportional to 18,479.09, 25,500.88 and 10,521.14 is: 14,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.09 : 25,500.88 = 10,521.14 : x
  2. Step 2: Convert to fraction form
    18,479.09/25,500.88 = 10,521.14/x
  3. Step 3: Cross multiply
    18,479.09x = 25,500.88 × 10,521.14
  4. Step 4: Simplify right side
    18,479.09x = 268,298,298.51
  5. Step 5: Solve for x
    x = 268,298,298.51/18,479.09
  6. Step 6: Final answer
    x = 14,519.02

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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.