Home / 15,174.37-22,767.63-5,320.72

Finding the Fourth Proportional to 15,174.37, 22,767.63 and 5,320.72

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Solution

The fourth proportional to 15,174.37, 22,767.63 and 5,320.72 is: 7,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.37 : 22,767.63 = 5,320.72 : x
  2. Step 2: Convert to fraction form
    15,174.37/22,767.63 = 5,320.72/x
  3. Step 3: Cross multiply
    15,174.37x = 22,767.63 × 5,320.72
  4. Step 4: Simplify right side
    15,174.37x = 121,140,184.29
  5. Step 5: Solve for x
    x = 121,140,184.29/15,174.37
  6. Step 6: Final answer
    x = 7,983.21

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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.