Home / 14,685.66-20,271.33-8,722.44

Finding the Fourth Proportional to 14,685.66, 20,271.33 and 8,722.44

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Solution

The fourth proportional to 14,685.66, 20,271.33 and 8,722.44 is: 12,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.66 : 20,271.33 = 8,722.44 : x
  2. Step 2: Convert to fraction form
    14,685.66/20,271.33 = 8,722.44/x
  3. Step 3: Cross multiply
    14,685.66x = 20,271.33 × 8,722.44
  4. Step 4: Simplify right side
    14,685.66x = 176,815,459.65
  5. Step 5: Solve for x
    x = 176,815,459.65/14,685.66
  6. Step 6: Final answer
    x = 12,040.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.