Home / 21,000.26-31,505.52-6,209.12

Finding the Fourth Proportional to 21,000.26, 31,505.52 and 6,209.12

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Solution

The fourth proportional to 21,000.26, 31,505.52 and 6,209.12 is: 9,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,000.26 : 31,505.52 = 6,209.12 : x
  2. Step 2: Convert to fraction form
    21,000.26/31,505.52 = 6,209.12/x
  3. Step 3: Cross multiply
    21,000.26x = 31,505.52 × 6,209.12
  4. Step 4: Simplify right side
    21,000.26x = 195,621,554.34
  5. Step 5: Solve for x
    x = 195,621,554.34/21,000.26
  6. Step 6: Final answer
    x = 9,315.20

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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.