Home / 13,065.82-18,036.35-8,822.62

Finding the Fourth Proportional to 13,065.82, 18,036.35 and 8,822.62

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Solution

The fourth proportional to 13,065.82, 18,036.35 and 8,822.62 is: 12,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.82 : 18,036.35 = 8,822.62 : x
  2. Step 2: Convert to fraction form
    13,065.82/18,036.35 = 8,822.62/x
  3. Step 3: Cross multiply
    13,065.82x = 18,036.35 × 8,822.62
  4. Step 4: Simplify right side
    13,065.82x = 159,127,862.24
  5. Step 5: Solve for x
    x = 159,127,862.24/13,065.82
  6. Step 6: Final answer
    x = 12,178.94

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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.