Home / 20,312.04-30,447.24-7,827.14

Finding the Fourth Proportional to 20,312.04, 30,447.24 and 7,827.14

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Solution

The fourth proportional to 20,312.04, 30,447.24 and 7,827.14 is: 11,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.04 : 30,447.24 = 7,827.14 : x
  2. Step 2: Convert to fraction form
    20,312.04/30,447.24 = 7,827.14/x
  3. Step 3: Cross multiply
    20,312.04x = 30,447.24 × 7,827.14
  4. Step 4: Simplify right side
    20,312.04x = 238,314,810.09
  5. Step 5: Solve for x
    x = 238,314,810.09/20,312.04
  6. Step 6: Final answer
    x = 11,732.69

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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.