Home / 11,257.85-15,565.37-9,368.73

Finding the Fourth Proportional to 11,257.85, 15,565.37 and 9,368.73

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Solution

The fourth proportional to 11,257.85, 15,565.37 and 9,368.73 is: 12,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.85 : 15,565.37 = 9,368.73 : x
  2. Step 2: Convert to fraction form
    11,257.85/15,565.37 = 9,368.73/x
  3. Step 3: Cross multiply
    11,257.85x = 15,565.37 × 9,368.73
  4. Step 4: Simplify right side
    11,257.85x = 145,827,702.04
  5. Step 5: Solve for x
    x = 145,827,702.04/11,257.85
  6. Step 6: Final answer
    x = 12,953.42

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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.