Home / 16,390.20-24,590.70-5,298.60

Finding the Fourth Proportional to 16,390.20, 24,590.70 and 5,298.60

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Solution

The fourth proportional to 16,390.20, 24,590.70 and 5,298.60 is: 7,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.20 : 24,590.70 = 5,298.60 : x
  2. Step 2: Convert to fraction form
    16,390.20/24,590.70 = 5,298.60/x
  3. Step 3: Cross multiply
    16,390.20x = 24,590.70 × 5,298.60
  4. Step 4: Simplify right side
    16,390.20x = 130,296,283.02
  5. Step 5: Solve for x
    x = 130,296,283.02/16,390.20
  6. Step 6: Final answer
    x = 7,949.65

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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.