Home / 20,723.04-31,077.72-8,246.16

Finding the Fourth Proportional to 20,723.04, 31,077.72 and 8,246.16

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Solution

The fourth proportional to 20,723.04, 31,077.72 and 8,246.16 is: 12,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.04 : 31,077.72 = 8,246.16 : x
  2. Step 2: Convert to fraction form
    20,723.04/31,077.72 = 8,246.16/x
  3. Step 3: Cross multiply
    20,723.04x = 31,077.72 × 8,246.16
  4. Step 4: Simplify right side
    20,723.04x = 256,271,851.56
  5. Step 5: Solve for x
    x = 256,271,851.56/20,723.04
  6. Step 6: Final answer
    x = 12,366.52

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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.