Home / 12,671.55-19,001.88-4,352.39

Finding the Fourth Proportional to 12,671.55, 19,001.88 and 4,352.39

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Solution

The fourth proportional to 12,671.55, 19,001.88 and 4,352.39 is: 6,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.55 : 19,001.88 = 4,352.39 : x
  2. Step 2: Convert to fraction form
    12,671.55/19,001.88 = 4,352.39/x
  3. Step 3: Cross multiply
    12,671.55x = 19,001.88 × 4,352.39
  4. Step 4: Simplify right side
    12,671.55x = 82,703,656.32
  5. Step 5: Solve for x
    x = 82,703,656.32/12,671.55
  6. Step 6: Final answer
    x = 6,526.72

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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.