Home / 11,601.78-16,009.66-6,565.88

Finding the Fourth Proportional to 11,601.78, 16,009.66 and 6,565.88

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Solution

The fourth proportional to 11,601.78, 16,009.66 and 6,565.88 is: 9,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.78 : 16,009.66 = 6,565.88 : x
  2. Step 2: Convert to fraction form
    11,601.78/16,009.66 = 6,565.88/x
  3. Step 3: Cross multiply
    11,601.78x = 16,009.66 × 6,565.88
  4. Step 4: Simplify right side
    11,601.78x = 105,117,506.40
  5. Step 5: Solve for x
    x = 105,117,506.40/11,601.78
  6. Step 6: Final answer
    x = 9,060.46

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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.