Home / 17,978.07-24,812.93-11,612.55

Finding the Fourth Proportional to 17,978.07, 24,812.93 and 11,612.55

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Solution

The fourth proportional to 17,978.07, 24,812.93 and 11,612.55 is: 16,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,978.07 : 24,812.93 = 11,612.55 : x
  2. Step 2: Convert to fraction form
    17,978.07/24,812.93 = 11,612.55/x
  3. Step 3: Cross multiply
    17,978.07x = 24,812.93 × 11,612.55
  4. Step 4: Simplify right side
    17,978.07x = 288,141,332.21
  5. Step 5: Solve for x
    x = 288,141,332.21/17,978.07
  6. Step 6: Final answer
    x = 16,027.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.