Home / 18,064.35-24,919.92-12,747.51

Finding the Fourth Proportional to 18,064.35, 24,919.92 and 12,747.51

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Solution

The fourth proportional to 18,064.35, 24,919.92 and 12,747.51 is: 17,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.35 : 24,919.92 = 12,747.51 : x
  2. Step 2: Convert to fraction form
    18,064.35/24,919.92 = 12,747.51/x
  3. Step 3: Cross multiply
    18,064.35x = 24,919.92 × 12,747.51
  4. Step 4: Simplify right side
    18,064.35x = 317,666,929.40
  5. Step 5: Solve for x
    x = 317,666,929.40/18,064.35
  6. Step 6: Final answer
    x = 17,585.30

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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.