Home / 8,330.40-12,501.48-6,144.80

Finding the Fourth Proportional to 8,330.40, 12,501.48 and 6,144.80

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Solution

The fourth proportional to 8,330.40, 12,501.48 and 6,144.80 is: 9,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.40 : 12,501.48 = 6,144.80 : x
  2. Step 2: Convert to fraction form
    8,330.40/12,501.48 = 6,144.80/x
  3. Step 3: Cross multiply
    8,330.40x = 12,501.48 × 6,144.80
  4. Step 4: Simplify right side
    8,330.40x = 76,819,094.30
  5. Step 5: Solve for x
    x = 76,819,094.30/8,330.40
  6. Step 6: Final answer
    x = 9,221.54

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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.