Home / 8,543.12-12,816.74-4,159.58

Finding the Fourth Proportional to 8,543.12, 12,816.74 and 4,159.58

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Solution

The fourth proportional to 8,543.12, 12,816.74 and 4,159.58 is: 6,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.12 : 12,816.74 = 4,159.58 : x
  2. Step 2: Convert to fraction form
    8,543.12/12,816.74 = 4,159.58/x
  3. Step 3: Cross multiply
    8,543.12x = 12,816.74 × 4,159.58
  4. Step 4: Simplify right side
    8,543.12x = 53,312,201.68
  5. Step 5: Solve for x
    x = 53,312,201.68/8,543.12
  6. Step 6: Final answer
    x = 6,240.37

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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.