Home / 10,590.99-15,888.56-3,195.15

Finding the Fourth Proportional to 10,590.99, 15,888.56 and 3,195.15

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Solution

The fourth proportional to 10,590.99, 15,888.56 and 3,195.15 is: 4,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.99 : 15,888.56 = 3,195.15 : x
  2. Step 2: Convert to fraction form
    10,590.99/15,888.56 = 3,195.15/x
  3. Step 3: Cross multiply
    10,590.99x = 15,888.56 × 3,195.15
  4. Step 4: Simplify right side
    10,590.99x = 50,766,316.51
  5. Step 5: Solve for x
    x = 50,766,316.51/10,590.99
  6. Step 6: Final answer
    x = 4,793.35

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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.