Home / 10,281.29-14,187.20-5,743.80

Finding the Fourth Proportional to 10,281.29, 14,187.20 and 5,743.80

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Solution

The fourth proportional to 10,281.29, 14,187.20 and 5,743.80 is: 7,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.29 : 14,187.20 = 5,743.80 : x
  2. Step 2: Convert to fraction form
    10,281.29/14,187.20 = 5,743.80/x
  3. Step 3: Cross multiply
    10,281.29x = 14,187.20 × 5,743.80
  4. Step 4: Simplify right side
    10,281.29x = 81,488,410.64
  5. Step 5: Solve for x
    x = 81,488,410.64/10,281.29
  6. Step 6: Final answer
    x = 7,925.90

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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.