Home / 15,645.72-23,438.33-8,699.16

Finding the Fourth Proportional to 15,645.72, 23,438.33 and 8,699.16

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Solution

The fourth proportional to 15,645.72, 23,438.33 and 8,699.16 is: 13,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.72 : 23,438.33 = 8,699.16 : x
  2. Step 2: Convert to fraction form
    15,645.72/23,438.33 = 8,699.16/x
  3. Step 3: Cross multiply
    15,645.72x = 23,438.33 × 8,699.16
  4. Step 4: Simplify right side
    15,645.72x = 203,893,782.80
  5. Step 5: Solve for x
    x = 203,893,782.80/15,645.72
  6. Step 6: Final answer
    x = 13,031.92

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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.