Home / 15,780.83-23,673.87-5,919.89

Finding the Fourth Proportional to 15,780.83, 23,673.87 and 5,919.89

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Solution

The fourth proportional to 15,780.83, 23,673.87 and 5,919.89 is: 8,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.83 : 23,673.87 = 5,919.89 : x
  2. Step 2: Convert to fraction form
    15,780.83/23,673.87 = 5,919.89/x
  3. Step 3: Cross multiply
    15,780.83x = 23,673.87 × 5,919.89
  4. Step 4: Simplify right side
    15,780.83x = 140,146,587.90
  5. Step 5: Solve for x
    x = 140,146,587.90/15,780.83
  6. Step 6: Final answer
    x = 8,880.82

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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.