Home / 15,019.20-22,528.80-7,624.80

Finding the Fourth Proportional to 15,019.20, 22,528.80 and 7,624.80

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Solution

The fourth proportional to 15,019.20, 22,528.80 and 7,624.80 is: 11,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.20 : 22,528.80 = 7,624.80 : x
  2. Step 2: Convert to fraction form
    15,019.20/22,528.80 = 7,624.80/x
  3. Step 3: Cross multiply
    15,019.20x = 22,528.80 × 7,624.80
  4. Step 4: Simplify right side
    15,019.20x = 171,777,594.24
  5. Step 5: Solve for x
    x = 171,777,594.24/15,019.20
  6. Step 6: Final answer
    x = 11,437.20

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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.