Home / 13,104.28-19,657.98-4,340.20

Finding the Fourth Proportional to 13,104.28, 19,657.98 and 4,340.20

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Solution

The fourth proportional to 13,104.28, 19,657.98 and 4,340.20 is: 6,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.28 : 19,657.98 = 4,340.20 : x
  2. Step 2: Convert to fraction form
    13,104.28/19,657.98 = 4,340.20/x
  3. Step 3: Cross multiply
    13,104.28x = 19,657.98 × 4,340.20
  4. Step 4: Simplify right side
    13,104.28x = 85,319,564.80
  5. Step 5: Solve for x
    x = 85,319,564.80/13,104.28
  6. Step 6: Final answer
    x = 6,510.82

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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.