Home / 15,424.43-23,131.58-8,307.36

Finding the Fourth Proportional to 15,424.43, 23,131.58 and 8,307.36

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Solution

The fourth proportional to 15,424.43, 23,131.58 and 8,307.36 is: 12,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.43 : 23,131.58 = 8,307.36 : x
  2. Step 2: Convert to fraction form
    15,424.43/23,131.58 = 8,307.36/x
  3. Step 3: Cross multiply
    15,424.43x = 23,131.58 × 8,307.36
  4. Step 4: Simplify right side
    15,424.43x = 192,162,320.89
  5. Step 5: Solve for x
    x = 192,162,320.89/15,424.43
  6. Step 6: Final answer
    x = 12,458.31

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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.