Home / 12,817.35-19,219.17-6,574.81

Finding the Fourth Proportional to 12,817.35, 19,219.17 and 6,574.81

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Solution

The fourth proportional to 12,817.35, 19,219.17 and 6,574.81 is: 9,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.35 : 19,219.17 = 6,574.81 : x
  2. Step 2: Convert to fraction form
    12,817.35/19,219.17 = 6,574.81/x
  3. Step 3: Cross multiply
    12,817.35x = 19,219.17 × 6,574.81
  4. Step 4: Simplify right side
    12,817.35x = 126,362,391.11
  5. Step 5: Solve for x
    x = 126,362,391.11/12,817.35
  6. Step 6: Final answer
    x = 9,858.70

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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.