Home / 13,714.33-18,925.77-7,426.71

Finding the Fourth Proportional to 13,714.33, 18,925.77 and 7,426.71

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Solution

The fourth proportional to 13,714.33, 18,925.77 and 7,426.71 is: 10,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.33 : 18,925.77 = 7,426.71 : x
  2. Step 2: Convert to fraction form
    13,714.33/18,925.77 = 7,426.71/x
  3. Step 3: Cross multiply
    13,714.33x = 18,925.77 × 7,426.71
  4. Step 4: Simplify right side
    13,714.33x = 140,556,205.32
  5. Step 5: Solve for x
    x = 140,556,205.32/13,714.33
  6. Step 6: Final answer
    x = 10,248.86

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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.