Home / 15,106.40-22,663.20-7,308.80

Finding the Fourth Proportional to 15,106.40, 22,663.20 and 7,308.80

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Solution

The fourth proportional to 15,106.40, 22,663.20 and 7,308.80 is: 10,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.40 : 22,663.20 = 7,308.80 : x
  2. Step 2: Convert to fraction form
    15,106.40/22,663.20 = 7,308.80/x
  3. Step 3: Cross multiply
    15,106.40x = 22,663.20 × 7,308.80
  4. Step 4: Simplify right side
    15,106.40x = 165,640,796.16
  5. Step 5: Solve for x
    x = 165,640,796.16/15,106.40
  6. Step 6: Final answer
    x = 10,964.94

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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.