Home / 17,763.48-26,630.60-12,125.58

Finding the Fourth Proportional to 17,763.48, 26,630.60 and 12,125.58

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Solution

The fourth proportional to 17,763.48, 26,630.60 and 12,125.58 is: 18,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.48 : 26,630.60 = 12,125.58 : x
  2. Step 2: Convert to fraction form
    17,763.48/26,630.60 = 12,125.58/x
  3. Step 3: Cross multiply
    17,763.48x = 26,630.60 × 12,125.58
  4. Step 4: Simplify right side
    17,763.48x = 322,911,470.75
  5. Step 5: Solve for x
    x = 322,911,470.75/17,763.48
  6. Step 6: Final answer
    x = 18,178.39

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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.