Home / 10,328.80-15,482.37-5,056.54

Finding the Fourth Proportional to 10,328.80, 15,482.37 and 5,056.54

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Solution

The fourth proportional to 10,328.80, 15,482.37 and 5,056.54 is: 7,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.80 : 15,482.37 = 5,056.54 : x
  2. Step 2: Convert to fraction form
    10,328.80/15,482.37 = 5,056.54/x
  3. Step 3: Cross multiply
    10,328.80x = 15,482.37 × 5,056.54
  4. Step 4: Simplify right side
    10,328.80x = 78,287,223.20
  5. Step 5: Solve for x
    x = 78,287,223.20/10,328.80
  6. Step 6: Final answer
    x = 7,579.51

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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.