Home / 12,952.90-19,429.35-5,167.30

Finding the Fourth Proportional to 12,952.90, 19,429.35 and 5,167.30

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Solution

The fourth proportional to 12,952.90, 19,429.35 and 5,167.30 is: 7,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.90 : 19,429.35 = 5,167.30 : x
  2. Step 2: Convert to fraction form
    12,952.90/19,429.35 = 5,167.30/x
  3. Step 3: Cross multiply
    12,952.90x = 19,429.35 × 5,167.30
  4. Step 4: Simplify right side
    12,952.90x = 100,397,280.26
  5. Step 5: Solve for x
    x = 100,397,280.26/12,952.90
  6. Step 6: Final answer
    x = 7,750.95

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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.