Home / 15,219.08-20,963.27-10,734.95

Finding the Fourth Proportional to 15,219.08, 20,963.27 and 10,734.95

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Solution

The fourth proportional to 15,219.08, 20,963.27 and 10,734.95 is: 14,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.08 : 20,963.27 = 10,734.95 : x
  2. Step 2: Convert to fraction form
    15,219.08/20,963.27 = 10,734.95/x
  3. Step 3: Cross multiply
    15,219.08x = 20,963.27 × 10,734.95
  4. Step 4: Simplify right side
    15,219.08x = 225,039,655.29
  5. Step 5: Solve for x
    x = 225,039,655.29/15,219.08
  6. Step 6: Final answer
    x = 14,786.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.