Home / 13,143.30-19,727.10-6,574.20

Finding the Fourth Proportional to 13,143.30, 19,727.10 and 6,574.20

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Solution

The fourth proportional to 13,143.30, 19,727.10 and 6,574.20 is: 9,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.30 : 19,727.10 = 6,574.20 : x
  2. Step 2: Convert to fraction form
    13,143.30/19,727.10 = 6,574.20/x
  3. Step 3: Cross multiply
    13,143.30x = 19,727.10 × 6,574.20
  4. Step 4: Simplify right side
    13,143.30x = 129,689,900.82
  5. Step 5: Solve for x
    x = 129,689,900.82/13,143.30
  6. Step 6: Final answer
    x = 9,867.38

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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.