Home / 15,179.20-22,768.80-9,274.30

Finding the Fourth Proportional to 15,179.20, 22,768.80 and 9,274.30

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Solution

The fourth proportional to 15,179.20, 22,768.80 and 9,274.30 is: 13,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.20 : 22,768.80 = 9,274.30 : x
  2. Step 2: Convert to fraction form
    15,179.20/22,768.80 = 9,274.30/x
  3. Step 3: Cross multiply
    15,179.20x = 22,768.80 × 9,274.30
  4. Step 4: Simplify right side
    15,179.20x = 211,164,681.84
  5. Step 5: Solve for x
    x = 211,164,681.84/15,179.20
  6. Step 6: Final answer
    x = 13,911.45

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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.