Home / 9,695.76-13,386.60-6,550.80

Finding the Fourth Proportional to 9,695.76, 13,386.60 and 6,550.80

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Solution

The fourth proportional to 9,695.76, 13,386.60 and 6,550.80 is: 9,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.76 : 13,386.60 = 6,550.80 : x
  2. Step 2: Convert to fraction form
    9,695.76/13,386.60 = 6,550.80/x
  3. Step 3: Cross multiply
    9,695.76x = 13,386.60 × 6,550.80
  4. Step 4: Simplify right side
    9,695.76x = 87,692,939.28
  5. Step 5: Solve for x
    x = 87,692,939.28/9,695.76
  6. Step 6: Final answer
    x = 9,044.46

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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.