Home / 15,032.98-20,751.90-9,370.55

Finding the Fourth Proportional to 15,032.98, 20,751.90 and 9,370.55

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Solution

The fourth proportional to 15,032.98, 20,751.90 and 9,370.55 is: 12,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.98 : 20,751.90 = 9,370.55 : x
  2. Step 2: Convert to fraction form
    15,032.98/20,751.90 = 9,370.55/x
  3. Step 3: Cross multiply
    15,032.98x = 20,751.90 × 9,370.55
  4. Step 4: Simplify right side
    15,032.98x = 194,456,565.93
  5. Step 5: Solve for x
    x = 194,456,565.93/15,032.98
  6. Step 6: Final answer
    x = 12,935.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.