Home / 15,419.20-23,112.24-6,658.24

Finding the Fourth Proportional to 15,419.20, 23,112.24 and 6,658.24

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Solution

The fourth proportional to 15,419.20, 23,112.24 and 6,658.24 is: 9,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.20 : 23,112.24 = 6,658.24 : x
  2. Step 2: Convert to fraction form
    15,419.20/23,112.24 = 6,658.24/x
  3. Step 3: Cross multiply
    15,419.20x = 23,112.24 × 6,658.24
  4. Step 4: Simplify right side
    15,419.20x = 153,886,840.86
  5. Step 5: Solve for x
    x = 153,886,840.86/15,419.20
  6. Step 6: Final answer
    x = 9,980.21

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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.