Home / 15,709.89-23,565.14-12,575.35

Finding the Fourth Proportional to 15,709.89, 23,565.14 and 12,575.35

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Solution

The fourth proportional to 15,709.89, 23,565.14 and 12,575.35 is: 18,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.89 : 23,565.14 = 12,575.35 : x
  2. Step 2: Convert to fraction form
    15,709.89/23,565.14 = 12,575.35/x
  3. Step 3: Cross multiply
    15,709.89x = 23,565.14 × 12,575.35
  4. Step 4: Simplify right side
    15,709.89x = 296,339,883.30
  5. Step 5: Solve for x
    x = 296,339,883.30/15,709.89
  6. Step 6: Final answer
    x = 18,863.27

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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.