Home / 19,412.16-29,111.08-6,928.85

Finding the Fourth Proportional to 19,412.16, 29,111.08 and 6,928.85

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Solution

The fourth proportional to 19,412.16, 29,111.08 and 6,928.85 is: 10,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.16 : 29,111.08 = 6,928.85 : x
  2. Step 2: Convert to fraction form
    19,412.16/29,111.08 = 6,928.85/x
  3. Step 3: Cross multiply
    19,412.16x = 29,111.08 × 6,928.85
  4. Step 4: Simplify right side
    19,412.16x = 201,706,306.66
  5. Step 5: Solve for x
    x = 201,706,306.66/19,412.16
  6. Step 6: Final answer
    x = 10,390.72

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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.