Home / 14,717.22-22,075.80-12,109.61

Finding the Fourth Proportional to 14,717.22, 22,075.80 and 12,109.61

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Solution

The fourth proportional to 14,717.22, 22,075.80 and 12,109.61 is: 18,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.22 : 22,075.80 = 12,109.61 : x
  2. Step 2: Convert to fraction form
    14,717.22/22,075.80 = 12,109.61/x
  3. Step 3: Cross multiply
    14,717.22x = 22,075.80 × 12,109.61
  4. Step 4: Simplify right side
    14,717.22x = 267,329,328.44
  5. Step 5: Solve for x
    x = 267,329,328.44/14,717.22
  6. Step 6: Final answer
    x = 18,164.39

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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.