Home / 10,280.60-15,417.30-5,348.60

Finding the Fourth Proportional to 10,280.60, 15,417.30 and 5,348.60

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Solution

The fourth proportional to 10,280.60, 15,417.30 and 5,348.60 is: 8,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.60 : 15,417.30 = 5,348.60 : x
  2. Step 2: Convert to fraction form
    10,280.60/15,417.30 = 5,348.60/x
  3. Step 3: Cross multiply
    10,280.60x = 15,417.30 × 5,348.60
  4. Step 4: Simplify right side
    10,280.60x = 82,460,970.78
  5. Step 5: Solve for x
    x = 82,460,970.78/10,280.60
  6. Step 6: Final answer
    x = 8,021.03

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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.