Home / 12,952.02-19,428.15-4,186.94

Finding the Fourth Proportional to 12,952.02, 19,428.15 and 4,186.94

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Solution

The fourth proportional to 12,952.02, 19,428.15 and 4,186.94 is: 6,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.02 : 19,428.15 = 4,186.94 : x
  2. Step 2: Convert to fraction form
    12,952.02/19,428.15 = 4,186.94/x
  3. Step 3: Cross multiply
    12,952.02x = 19,428.15 × 4,186.94
  4. Step 4: Simplify right side
    12,952.02x = 81,344,401.22
  5. Step 5: Solve for x
    x = 81,344,401.22/12,952.02
  6. Step 6: Final answer
    x = 6,280.44

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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.