Home / 10,069.83-13,895.42-9,326.79

Finding the Fourth Proportional to 10,069.83, 13,895.42 and 9,326.79

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Solution

The fourth proportional to 10,069.83, 13,895.42 and 9,326.79 is: 12,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.83 : 13,895.42 = 9,326.79 : x
  2. Step 2: Convert to fraction form
    10,069.83/13,895.42 = 9,326.79/x
  3. Step 3: Cross multiply
    10,069.83x = 13,895.42 × 9,326.79
  4. Step 4: Simplify right side
    10,069.83x = 129,599,617.67
  5. Step 5: Solve for x
    x = 129,599,617.67/10,069.83
  6. Step 6: Final answer
    x = 12,870.09

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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.