Home / 22,712.02-34,039.20-10,218.70

Finding the Fourth Proportional to 22,712.02, 34,039.20 and 10,218.70

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Solution

The fourth proportional to 22,712.02, 34,039.20 and 10,218.70 is: 15,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.02 : 34,039.20 = 10,218.70 : x
  2. Step 2: Convert to fraction form
    22,712.02/34,039.20 = 10,218.70/x
  3. Step 3: Cross multiply
    22,712.02x = 34,039.20 × 10,218.70
  4. Step 4: Simplify right side
    22,712.02x = 347,836,373.04
  5. Step 5: Solve for x
    x = 347,836,373.04/22,712.02
  6. Step 6: Final answer
    x = 15,315.08

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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.