Home / 15,209.06-22,842.99-12,612.74

Finding the Fourth Proportional to 15,209.06, 22,842.99 and 12,612.74

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Solution

The fourth proportional to 15,209.06, 22,842.99 and 12,612.74 is: 18,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.06 : 22,842.99 = 12,612.74 : x
  2. Step 2: Convert to fraction form
    15,209.06/22,842.99 = 12,612.74/x
  3. Step 3: Cross multiply
    15,209.06x = 22,842.99 × 12,612.74
  4. Step 4: Simplify right side
    15,209.06x = 288,112,693.69
  5. Step 5: Solve for x
    x = 288,112,693.69/15,209.06
  6. Step 6: Final answer
    x = 18,943.49

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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.