Home / 10,272.21-15,405.24-5,339.16

Finding the Fourth Proportional to 10,272.21, 15,405.24 and 5,339.16

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Solution

The fourth proportional to 10,272.21, 15,405.24 and 5,339.16 is: 8,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.21 : 15,405.24 = 5,339.16 : x
  2. Step 2: Convert to fraction form
    10,272.21/15,405.24 = 5,339.16/x
  3. Step 3: Cross multiply
    10,272.21x = 15,405.24 × 5,339.16
  4. Step 4: Simplify right side
    10,272.21x = 82,251,041.20
  5. Step 5: Solve for x
    x = 82,251,041.20/10,272.21
  6. Step 6: Final answer
    x = 8,007.14

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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.