Home / 15,228.24-22,838.40-6,458.64

Finding the Fourth Proportional to 15,228.24, 22,838.40 and 6,458.64

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Solution

The fourth proportional to 15,228.24, 22,838.40 and 6,458.64 is: 9,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.24 : 22,838.40 = 6,458.64 : x
  2. Step 2: Convert to fraction form
    15,228.24/22,838.40 = 6,458.64/x
  3. Step 3: Cross multiply
    15,228.24x = 22,838.40 × 6,458.64
  4. Step 4: Simplify right side
    15,228.24x = 147,505,003.78
  5. Step 5: Solve for x
    x = 147,505,003.78/15,228.24
  6. Step 6: Final answer
    x = 9,686.28

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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.