Home / 10,621.32-15,907.26-10,252.20

Finding the Fourth Proportional to 10,621.32, 15,907.26 and 10,252.20

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Solution

The fourth proportional to 10,621.32, 15,907.26 and 10,252.20 is: 15,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.32 : 15,907.26 = 10,252.20 : x
  2. Step 2: Convert to fraction form
    10,621.32/15,907.26 = 10,252.20/x
  3. Step 3: Cross multiply
    10,621.32x = 15,907.26 × 10,252.20
  4. Step 4: Simplify right side
    10,621.32x = 163,084,410.97
  5. Step 5: Solve for x
    x = 163,084,410.97/10,621.32
  6. Step 6: Final answer
    x = 15,354.44

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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.