Home / 10,329.96-15,478.46-5,392.36

Finding the Fourth Proportional to 10,329.96, 15,478.46 and 5,392.36

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Solution

The fourth proportional to 10,329.96, 15,478.46 and 5,392.36 is: 8,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.96 : 15,478.46 = 5,392.36 : x
  2. Step 2: Convert to fraction form
    10,329.96/15,478.46 = 5,392.36/x
  3. Step 3: Cross multiply
    10,329.96x = 15,478.46 × 5,392.36
  4. Step 4: Simplify right side
    10,329.96x = 83,465,428.57
  5. Step 5: Solve for x
    x = 83,465,428.57/10,329.96
  6. Step 6: Final answer
    x = 8,079.94

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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.