Home / 12,645.16-18,970.17-4,853.37

Finding the Fourth Proportional to 12,645.16, 18,970.17 and 4,853.37

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Solution

The fourth proportional to 12,645.16, 18,970.17 and 4,853.37 is: 7,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.16 : 18,970.17 = 4,853.37 : x
  2. Step 2: Convert to fraction form
    12,645.16/18,970.17 = 4,853.37/x
  3. Step 3: Cross multiply
    12,645.16x = 18,970.17 × 4,853.37
  4. Step 4: Simplify right side
    12,645.16x = 92,069,253.97
  5. Step 5: Solve for x
    x = 92,069,253.97/12,645.16
  6. Step 6: Final answer
    x = 7,280.99

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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.