Home / 14,187.15-19,575.27-8,218.46

Finding the Fourth Proportional to 14,187.15, 19,575.27 and 8,218.46

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Solution

The fourth proportional to 14,187.15, 19,575.27 and 8,218.46 is: 11,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.15 : 19,575.27 = 8,218.46 : x
  2. Step 2: Convert to fraction form
    14,187.15/19,575.27 = 8,218.46/x
  3. Step 3: Cross multiply
    14,187.15x = 19,575.27 × 8,218.46
  4. Step 4: Simplify right side
    14,187.15x = 160,878,622.42
  5. Step 5: Solve for x
    x = 160,878,622.42/14,187.15
  6. Step 6: Final answer
    x = 11,339.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.