Home / 12,952.12-19,427.38-4,631.72

Finding the Fourth Proportional to 12,952.12, 19,427.38 and 4,631.72

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Solution

The fourth proportional to 12,952.12, 19,427.38 and 4,631.72 is: 6,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.12 : 19,427.38 = 4,631.72 : x
  2. Step 2: Convert to fraction form
    12,952.12/19,427.38 = 4,631.72/x
  3. Step 3: Cross multiply
    12,952.12x = 19,427.38 × 4,631.72
  4. Step 4: Simplify right side
    12,952.12x = 89,982,184.49
  5. Step 5: Solve for x
    x = 89,982,184.49/12,952.12
  6. Step 6: Final answer
    x = 6,947.29

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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.