Home / 19,438.11-29,158.07-6,291.51

Finding the Fourth Proportional to 19,438.11, 29,158.07 and 6,291.51

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Solution

The fourth proportional to 19,438.11, 29,158.07 and 6,291.51 is: 9,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.11 : 29,158.07 = 6,291.51 : x
  2. Step 2: Convert to fraction form
    19,438.11/29,158.07 = 6,291.51/x
  3. Step 3: Cross multiply
    19,438.11x = 29,158.07 × 6,291.51
  4. Step 4: Simplify right side
    19,438.11x = 183,448,257.53
  5. Step 5: Solve for x
    x = 183,448,257.53/19,438.11
  6. Step 6: Final answer
    x = 9,437.56

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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.