Home / 8,148.99-12,186.12-6,070.43

Finding the Fourth Proportional to 8,148.99, 12,186.12 and 6,070.43

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Solution

The fourth proportional to 8,148.99, 12,186.12 and 6,070.43 is: 9,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.99 : 12,186.12 = 6,070.43 : x
  2. Step 2: Convert to fraction form
    8,148.99/12,186.12 = 6,070.43/x
  3. Step 3: Cross multiply
    8,148.99x = 12,186.12 × 6,070.43
  4. Step 4: Simplify right side
    8,148.99x = 73,974,988.43
  5. Step 5: Solve for x
    x = 73,974,988.43/8,148.99
  6. Step 6: Final answer
    x = 9,077.81

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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.