Home / 20,714.04-31,064.22-8,237.16

Finding the Fourth Proportional to 20,714.04, 31,064.22 and 8,237.16

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Solution

The fourth proportional to 20,714.04, 31,064.22 and 8,237.16 is: 12,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.04 : 31,064.22 = 8,237.16 : x
  2. Step 2: Convert to fraction form
    20,714.04/31,064.22 = 8,237.16/x
  3. Step 3: Cross multiply
    20,714.04x = 31,064.22 × 8,237.16
  4. Step 4: Simplify right side
    20,714.04x = 255,880,950.42
  5. Step 5: Solve for x
    x = 255,880,950.42/20,714.04
  6. Step 6: Final answer
    x = 12,353.02

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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.