Home / 22,743.99-31,385.88-13,312.35

Finding the Fourth Proportional to 22,743.99, 31,385.88 and 13,312.35

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Solution

The fourth proportional to 22,743.99, 31,385.88 and 13,312.35 is: 18,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.99 : 31,385.88 = 13,312.35 : x
  2. Step 2: Convert to fraction form
    22,743.99/31,385.88 = 13,312.35/x
  3. Step 3: Cross multiply
    22,743.99x = 31,385.88 × 13,312.35
  4. Step 4: Simplify right side
    22,743.99x = 417,819,819.62
  5. Step 5: Solve for x
    x = 417,819,819.62/22,743.99
  6. Step 6: Final answer
    x = 18,370.56

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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.