Home / 15,014.40-22,521.60-5,164.80

Finding the Fourth Proportional to 15,014.40, 22,521.60 and 5,164.80

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Solution

The fourth proportional to 15,014.40, 22,521.60 and 5,164.80 is: 7,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.40 : 22,521.60 = 5,164.80 : x
  2. Step 2: Convert to fraction form
    15,014.40/22,521.60 = 5,164.80/x
  3. Step 3: Cross multiply
    15,014.40x = 22,521.60 × 5,164.80
  4. Step 4: Simplify right side
    15,014.40x = 116,319,559.68
  5. Step 5: Solve for x
    x = 116,319,559.68/15,014.40
  6. Step 6: Final answer
    x = 7,747.20

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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.