Home / 12,901.70-19,352.52-8,518.13

Finding the Fourth Proportional to 12,901.70, 19,352.52 and 8,518.13

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Solution

The fourth proportional to 12,901.70, 19,352.52 and 8,518.13 is: 12,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.70 : 19,352.52 = 8,518.13 : x
  2. Step 2: Convert to fraction form
    12,901.70/19,352.52 = 8,518.13/x
  3. Step 3: Cross multiply
    12,901.70x = 19,352.52 × 8,518.13
  4. Step 4: Simplify right side
    12,901.70x = 164,847,184.43
  5. Step 5: Solve for x
    x = 164,847,184.43/12,901.70
  6. Step 6: Final answer
    x = 12,777.17

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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.