Home / 13,050.11-19,574.11-3,689.75

Finding the Fourth Proportional to 13,050.11, 19,574.11 and 3,689.75

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Solution

The fourth proportional to 13,050.11, 19,574.11 and 3,689.75 is: 5,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.11 : 19,574.11 = 3,689.75 : x
  2. Step 2: Convert to fraction form
    13,050.11/19,574.11 = 3,689.75/x
  3. Step 3: Cross multiply
    13,050.11x = 19,574.11 × 3,689.75
  4. Step 4: Simplify right side
    13,050.11x = 72,223,572.37
  5. Step 5: Solve for x
    x = 72,223,572.37/13,050.11
  6. Step 6: Final answer
    x = 5,534.33

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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.