Home / 10,559.18-15,838.78-3,164.42

Finding the Fourth Proportional to 10,559.18, 15,838.78 and 3,164.42

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Solution

The fourth proportional to 10,559.18, 15,838.78 and 3,164.42 is: 4,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.18 : 15,838.78 = 3,164.42 : x
  2. Step 2: Convert to fraction form
    10,559.18/15,838.78 = 3,164.42/x
  3. Step 3: Cross multiply
    10,559.18x = 15,838.78 × 3,164.42
  4. Step 4: Simplify right side
    10,559.18x = 50,120,552.21
  5. Step 5: Solve for x
    x = 50,120,552.21/10,559.18
  6. Step 6: Final answer
    x = 4,746.63

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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.