Home / 15,985.83-23,933.49-8,472.30

Finding the Fourth Proportional to 15,985.83, 23,933.49 and 8,472.30

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Solution

The fourth proportional to 15,985.83, 23,933.49 and 8,472.30 is: 12,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.83 : 23,933.49 = 8,472.30 : x
  2. Step 2: Convert to fraction form
    15,985.83/23,933.49 = 8,472.30/x
  3. Step 3: Cross multiply
    15,985.83x = 23,933.49 × 8,472.30
  4. Step 4: Simplify right side
    15,985.83x = 202,771,707.33
  5. Step 5: Solve for x
    x = 202,771,707.33/15,985.83
  6. Step 6: Final answer
    x = 12,684.47

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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.