Home / 8,017.20-12,011.40-7,095.60

Finding the Fourth Proportional to 8,017.20, 12,011.40 and 7,095.60

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Solution

The fourth proportional to 8,017.20, 12,011.40 and 7,095.60 is: 10,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.20 : 12,011.40 = 7,095.60 : x
  2. Step 2: Convert to fraction form
    8,017.20/12,011.40 = 7,095.60/x
  3. Step 3: Cross multiply
    8,017.20x = 12,011.40 × 7,095.60
  4. Step 4: Simplify right side
    8,017.20x = 85,228,089.84
  5. Step 5: Solve for x
    x = 85,228,089.84/8,017.20
  6. Step 6: Final answer
    x = 10,630.66

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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.