Home / 12,335.94-18,510.57-8,959.05

Finding the Fourth Proportional to 12,335.94, 18,510.57 and 8,959.05

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Solution

The fourth proportional to 12,335.94, 18,510.57 and 8,959.05 is: 13,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.94 : 18,510.57 = 8,959.05 : x
  2. Step 2: Convert to fraction form
    12,335.94/18,510.57 = 8,959.05/x
  3. Step 3: Cross multiply
    12,335.94x = 18,510.57 × 8,959.05
  4. Step 4: Simplify right side
    12,335.94x = 165,837,122.16
  5. Step 5: Solve for x
    x = 165,837,122.16/12,335.94
  6. Step 6: Final answer
    x = 13,443.41

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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.