Home / 9,555.40-13,180.61-6,717.76

Finding the Fourth Proportional to 9,555.40, 13,180.61 and 6,717.76

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Solution

The fourth proportional to 9,555.40, 13,180.61 and 6,717.76 is: 9,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.40 : 13,180.61 = 6,717.76 : x
  2. Step 2: Convert to fraction form
    9,555.40/13,180.61 = 6,717.76/x
  3. Step 3: Cross multiply
    9,555.40x = 13,180.61 × 6,717.76
  4. Step 4: Simplify right side
    9,555.40x = 88,544,174.63
  5. Step 5: Solve for x
    x = 88,544,174.63/9,555.40
  6. Step 6: Final answer
    x = 9,266.40

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Double scale
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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.