Home / 15,442.40-23,149.74-5,579.36

Finding the Fourth Proportional to 15,442.40, 23,149.74 and 5,579.36

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Solution

The fourth proportional to 15,442.40, 23,149.74 and 5,579.36 is: 8,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.40 : 23,149.74 = 5,579.36 : x
  2. Step 2: Convert to fraction form
    15,442.40/23,149.74 = 5,579.36/x
  3. Step 3: Cross multiply
    15,442.40x = 23,149.74 × 5,579.36
  4. Step 4: Simplify right side
    15,442.40x = 129,160,733.37
  5. Step 5: Solve for x
    x = 129,160,733.37/15,442.40
  6. Step 6: Final answer
    x = 8,364.03

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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.