Home / 11,291.20-16,946.40-5,060.80

Finding the Fourth Proportional to 11,291.20, 16,946.40 and 5,060.80

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Solution

The fourth proportional to 11,291.20, 16,946.40 and 5,060.80 is: 7,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.20 : 16,946.40 = 5,060.80 : x
  2. Step 2: Convert to fraction form
    11,291.20/16,946.40 = 5,060.80/x
  3. Step 3: Cross multiply
    11,291.20x = 16,946.40 × 5,060.80
  4. Step 4: Simplify right side
    11,291.20x = 85,762,341.12
  5. Step 5: Solve for x
    x = 85,762,341.12/11,291.20
  6. Step 6: Final answer
    x = 7,595.50

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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.