Home / 12,952.16-19,428.34-4,187.06

Finding the Fourth Proportional to 12,952.16, 19,428.34 and 4,187.06

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Solution

The fourth proportional to 12,952.16, 19,428.34 and 4,187.06 is: 6,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.16 : 19,428.34 = 4,187.06 : x
  2. Step 2: Convert to fraction form
    12,952.16/19,428.34 = 4,187.06/x
  3. Step 3: Cross multiply
    12,952.16x = 19,428.34 × 4,187.06
  4. Step 4: Simplify right side
    12,952.16x = 81,347,625.28
  5. Step 5: Solve for x
    x = 81,347,625.28/12,952.16
  6. Step 6: Final answer
    x = 6,280.62

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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.