Home / 12,801.76-19,206.60-6,566.20

Finding the Fourth Proportional to 12,801.76, 19,206.60 and 6,566.20

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Solution

The fourth proportional to 12,801.76, 19,206.60 and 6,566.20 is: 9,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.76 : 19,206.60 = 6,566.20 : x
  2. Step 2: Convert to fraction form
    12,801.76/19,206.60 = 6,566.20/x
  3. Step 3: Cross multiply
    12,801.76x = 19,206.60 × 6,566.20
  4. Step 4: Simplify right side
    12,801.76x = 126,114,376.92
  5. Step 5: Solve for x
    x = 126,114,376.92/12,801.76
  6. Step 6: Final answer
    x = 9,851.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.