Home / 23,711.34-32,712.48-13,638.18

Finding the Fourth Proportional to 23,711.34, 32,712.48 and 13,638.18

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Solution

The fourth proportional to 23,711.34, 32,712.48 and 13,638.18 is: 18,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,711.34 : 32,712.48 = 13,638.18 : x
  2. Step 2: Convert to fraction form
    23,711.34/32,712.48 = 13,638.18/x
  3. Step 3: Cross multiply
    23,711.34x = 32,712.48 × 13,638.18
  4. Step 4: Simplify right side
    23,711.34x = 446,138,690.49
  5. Step 5: Solve for x
    x = 446,138,690.49/23,711.34
  6. Step 6: Final answer
    x = 18,815.41

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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.