Home / 17,972.58-24,777.99-12,587.79

Finding the Fourth Proportional to 17,972.58, 24,777.99 and 12,587.79

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Solution

The fourth proportional to 17,972.58, 24,777.99 and 12,587.79 is: 17,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.58 : 24,777.99 = 12,587.79 : x
  2. Step 2: Convert to fraction form
    17,972.58/24,777.99 = 12,587.79/x
  3. Step 3: Cross multiply
    17,972.58x = 24,777.99 × 12,587.79
  4. Step 4: Simplify right side
    17,972.58x = 311,900,134.74
  5. Step 5: Solve for x
    x = 311,900,134.74/17,972.58
  6. Step 6: Final answer
    x = 17,354.22

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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.