Home / 10,077.21-15,118.45-4,237.92

Finding the Fourth Proportional to 10,077.21, 15,118.45 and 4,237.92

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Solution

The fourth proportional to 10,077.21, 15,118.45 and 4,237.92 is: 6,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.21 : 15,118.45 = 4,237.92 : x
  2. Step 2: Convert to fraction form
    10,077.21/15,118.45 = 4,237.92/x
  3. Step 3: Cross multiply
    10,077.21x = 15,118.45 × 4,237.92
  4. Step 4: Simplify right side
    10,077.21x = 64,070,771.03
  5. Step 5: Solve for x
    x = 64,070,771.03/10,077.21
  6. Step 6: Final answer
    x = 6,357.99

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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.