Home / 13,424.58-18,545.81-8,836.17

Finding the Fourth Proportional to 13,424.58, 18,545.81 and 8,836.17

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Solution

The fourth proportional to 13,424.58, 18,545.81 and 8,836.17 is: 12,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.58 : 18,545.81 = 8,836.17 : x
  2. Step 2: Convert to fraction form
    13,424.58/18,545.81 = 8,836.17/x
  3. Step 3: Cross multiply
    13,424.58x = 18,545.81 × 8,836.17
  4. Step 4: Simplify right side
    13,424.58x = 163,873,929.95
  5. Step 5: Solve for x
    x = 163,873,929.95/13,424.58
  6. Step 6: Final answer
    x = 12,207.01

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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.