Home / 13,001.69-19,507.95-8,326.95

Finding the Fourth Proportional to 13,001.69, 19,507.95 and 8,326.95

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Solution

The fourth proportional to 13,001.69, 19,507.95 and 8,326.95 is: 12,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.69 : 19,507.95 = 8,326.95 : x
  2. Step 2: Convert to fraction form
    13,001.69/19,507.95 = 8,326.95/x
  3. Step 3: Cross multiply
    13,001.69x = 19,507.95 × 8,326.95
  4. Step 4: Simplify right side
    13,001.69x = 162,441,724.25
  5. Step 5: Solve for x
    x = 162,441,724.25/13,001.69
  6. Step 6: Final answer
    x = 12,493.90

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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.