Home / 8,182.60-12,266.70-7,307.80

Finding the Fourth Proportional to 8,182.60, 12,266.70 and 7,307.80

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Solution

The fourth proportional to 8,182.60, 12,266.70 and 7,307.80 is: 10,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.60 : 12,266.70 = 7,307.80 : x
  2. Step 2: Convert to fraction form
    8,182.60/12,266.70 = 7,307.80/x
  3. Step 3: Cross multiply
    8,182.60x = 12,266.70 × 7,307.80
  4. Step 4: Simplify right side
    8,182.60x = 89,642,590.26
  5. Step 5: Solve for x
    x = 89,642,590.26/8,182.60
  6. Step 6: Final answer
    x = 10,955.27

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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.