Home / 20,154.02-30,223.13-11,836.13

Finding the Fourth Proportional to 20,154.02, 30,223.13 and 11,836.13

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Solution

The fourth proportional to 20,154.02, 30,223.13 and 11,836.13 is: 17,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.02 : 30,223.13 = 11,836.13 : x
  2. Step 2: Convert to fraction form
    20,154.02/30,223.13 = 11,836.13/x
  3. Step 3: Cross multiply
    20,154.02x = 30,223.13 × 11,836.13
  4. Step 4: Simplify right side
    20,154.02x = 357,724,685.39
  5. Step 5: Solve for x
    x = 357,724,685.39/20,154.02
  6. Step 6: Final answer
    x = 17,749.55

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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.