Home / 15,312.12-22,946.25-8,724.69

Finding the Fourth Proportional to 15,312.12, 22,946.25 and 8,724.69

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Solution

The fourth proportional to 15,312.12, 22,946.25 and 8,724.69 is: 13,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.12 : 22,946.25 = 8,724.69 : x
  2. Step 2: Convert to fraction form
    15,312.12/22,946.25 = 8,724.69/x
  3. Step 3: Cross multiply
    15,312.12x = 22,946.25 × 8,724.69
  4. Step 4: Simplify right side
    15,312.12x = 200,198,917.91
  5. Step 5: Solve for x
    x = 200,198,917.91/15,312.12
  6. Step 6: Final answer
    x = 13,074.54

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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.