Home / 10,621.72-15,907.06-5,930.20

Finding the Fourth Proportional to 10,621.72, 15,907.06 and 5,930.20

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Solution

The fourth proportional to 10,621.72, 15,907.06 and 5,930.20 is: 8,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.72 : 15,907.06 = 5,930.20 : x
  2. Step 2: Convert to fraction form
    10,621.72/15,907.06 = 5,930.20/x
  3. Step 3: Cross multiply
    10,621.72x = 15,907.06 × 5,930.20
  4. Step 4: Simplify right side
    10,621.72x = 94,332,047.21
  5. Step 5: Solve for x
    x = 94,332,047.21/10,621.72
  6. Step 6: Final answer
    x = 8,881.05

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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.