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Finding the Fourth Proportional to 15,104.61, 22,664.61 and 10,690.65

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Solution

The fourth proportional to 15,104.61, 22,664.61 and 10,690.65 is: 16,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.61 : 22,664.61 = 10,690.65 : x
  2. Step 2: Convert to fraction form
    15,104.61/22,664.61 = 10,690.65/x
  3. Step 3: Cross multiply
    15,104.61x = 22,664.61 × 10,690.65
  4. Step 4: Simplify right side
    15,104.61x = 242,299,412.90
  5. Step 5: Solve for x
    x = 242,299,412.90/15,104.61
  6. Step 6: Final answer
    x = 16,041.42

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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.