Home / 17,838.04-24,615.40-9,879.78

Finding the Fourth Proportional to 17,838.04, 24,615.40 and 9,879.78

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Solution

The fourth proportional to 17,838.04, 24,615.40 and 9,879.78 is: 13,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.04 : 24,615.40 = 9,879.78 : x
  2. Step 2: Convert to fraction form
    17,838.04/24,615.40 = 9,879.78/x
  3. Step 3: Cross multiply
    17,838.04x = 24,615.40 × 9,879.78
  4. Step 4: Simplify right side
    17,838.04x = 243,194,736.61
  5. Step 5: Solve for x
    x = 243,194,736.61/17,838.04
  6. Step 6: Final answer
    x = 13,633.49

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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.