Home / 15,539.36-23,278.32-12,424.48

Finding the Fourth Proportional to 15,539.36, 23,278.32 and 12,424.48

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Solution

The fourth proportional to 15,539.36, 23,278.32 and 12,424.48 is: 18,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.36 : 23,278.32 = 12,424.48 : x
  2. Step 2: Convert to fraction form
    15,539.36/23,278.32 = 12,424.48/x
  3. Step 3: Cross multiply
    15,539.36x = 23,278.32 × 12,424.48
  4. Step 4: Simplify right side
    15,539.36x = 289,221,021.27
  5. Step 5: Solve for x
    x = 289,221,021.27/15,539.36
  6. Step 6: Final answer
    x = 18,612.16

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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.