Home / 10,291.13-15,439.26-4,748.34

Finding the Fourth Proportional to 10,291.13, 15,439.26 and 4,748.34

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Solution

The fourth proportional to 10,291.13, 15,439.26 and 4,748.34 is: 7,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.13 : 15,439.26 = 4,748.34 : x
  2. Step 2: Convert to fraction form
    10,291.13/15,439.26 = 4,748.34/x
  3. Step 3: Cross multiply
    10,291.13x = 15,439.26 × 4,748.34
  4. Step 4: Simplify right side
    10,291.13x = 73,310,855.83
  5. Step 5: Solve for x
    x = 73,310,855.83/10,291.13
  6. Step 6: Final answer
    x = 7,123.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.