Home / 15,178.50-22,767.75-5,315.54

Finding the Fourth Proportional to 15,178.50, 22,767.75 and 5,315.54

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Solution

The fourth proportional to 15,178.50, 22,767.75 and 5,315.54 is: 7,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.50 : 22,767.75 = 5,315.54 : x
  2. Step 2: Convert to fraction form
    15,178.50/22,767.75 = 5,315.54/x
  3. Step 3: Cross multiply
    15,178.50x = 22,767.75 × 5,315.54
  4. Step 4: Simplify right side
    15,178.50x = 121,022,772.00
  5. Step 5: Solve for x
    x = 121,022,772.00/15,178.50
  6. Step 6: Final answer
    x = 7,973.30

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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.