Home / 10,048.20-15,072.30-9,621.60

Finding the Fourth Proportional to 10,048.20, 15,072.30 and 9,621.60

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Solution

The fourth proportional to 10,048.20, 15,072.30 and 9,621.60 is: 14,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.20 : 15,072.30 = 9,621.60 : x
  2. Step 2: Convert to fraction form
    10,048.20/15,072.30 = 9,621.60/x
  3. Step 3: Cross multiply
    10,048.20x = 15,072.30 × 9,621.60
  4. Step 4: Simplify right side
    10,048.20x = 145,019,641.68
  5. Step 5: Solve for x
    x = 145,019,641.68/10,048.20
  6. Step 6: Final answer
    x = 14,432.40

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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.