Home / 20,808.08-31,207.47-6,013.70

Finding the Fourth Proportional to 20,808.08, 31,207.47 and 6,013.70

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Solution

The fourth proportional to 20,808.08, 31,207.47 and 6,013.70 is: 9,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.08 : 31,207.47 = 6,013.70 : x
  2. Step 2: Convert to fraction form
    20,808.08/31,207.47 = 6,013.70/x
  3. Step 3: Cross multiply
    20,808.08x = 31,207.47 × 6,013.70
  4. Step 4: Simplify right side
    20,808.08x = 187,672,362.34
  5. Step 5: Solve for x
    x = 187,672,362.34/20,808.08
  6. Step 6: Final answer
    x = 9,019.21

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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.