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Finding the Fourth Proportional to 15,019.52, 22,521.18 and 7,619.36

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Solution

The fourth proportional to 15,019.52, 22,521.18 and 7,619.36 is: 11,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.52 : 22,521.18 = 7,619.36 : x
  2. Step 2: Convert to fraction form
    15,019.52/22,521.18 = 7,619.36/x
  3. Step 3: Cross multiply
    15,019.52x = 22,521.18 × 7,619.36
  4. Step 4: Simplify right side
    15,019.52x = 171,596,978.04
  5. Step 5: Solve for x
    x = 171,596,978.04/15,019.52
  6. Step 6: Final answer
    x = 11,424.93

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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.