Home / 15,218.24-22,823.40-6,448.64

Finding the Fourth Proportional to 15,218.24, 22,823.40 and 6,448.64

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Solution

The fourth proportional to 15,218.24, 22,823.40 and 6,448.64 is: 9,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.24 : 22,823.40 = 6,448.64 : x
  2. Step 2: Convert to fraction form
    15,218.24/22,823.40 = 6,448.64/x
  3. Step 3: Cross multiply
    15,218.24x = 22,823.40 × 6,448.64
  4. Step 4: Simplify right side
    15,218.24x = 147,179,890.18
  5. Step 5: Solve for x
    x = 147,179,890.18/15,218.24
  6. Step 6: Final answer
    x = 9,671.28

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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.