Home / 13,592.92-18,748.74-13,135.71

Finding the Fourth Proportional to 13,592.92, 18,748.74 and 13,135.71

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Solution

The fourth proportional to 13,592.92, 18,748.74 and 13,135.71 is: 18,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.92 : 18,748.74 = 13,135.71 : x
  2. Step 2: Convert to fraction form
    13,592.92/18,748.74 = 13,135.71/x
  3. Step 3: Cross multiply
    13,592.92x = 18,748.74 × 13,135.71
  4. Step 4: Simplify right side
    13,592.92x = 246,278,011.51
  5. Step 5: Solve for x
    x = 246,278,011.51/13,592.92
  6. Step 6: Final answer
    x = 18,118.11

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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.