Home / 15,204.87-22,707.47-12,959.78

Finding the Fourth Proportional to 15,204.87, 22,707.47 and 12,959.78

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Solution

The fourth proportional to 15,204.87, 22,707.47 and 12,959.78 is: 19,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.87 : 22,707.47 = 12,959.78 : x
  2. Step 2: Convert to fraction form
    15,204.87/22,707.47 = 12,959.78/x
  3. Step 3: Cross multiply
    15,204.87x = 22,707.47 × 12,959.78
  4. Step 4: Simplify right side
    15,204.87x = 294,283,637.22
  5. Step 5: Solve for x
    x = 294,283,637.22/15,204.87
  6. Step 6: Final answer
    x = 19,354.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.