Home / 14,681.12-22,021.57-3,587.71

Finding the Fourth Proportional to 14,681.12, 22,021.57 and 3,587.71

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Solution

The fourth proportional to 14,681.12, 22,021.57 and 3,587.71 is: 5,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.12 : 22,021.57 = 3,587.71 : x
  2. Step 2: Convert to fraction form
    14,681.12/22,021.57 = 3,587.71/x
  3. Step 3: Cross multiply
    14,681.12x = 22,021.57 × 3,587.71
  4. Step 4: Simplify right side
    14,681.12x = 79,006,942.88
  5. Step 5: Solve for x
    x = 79,006,942.88/14,681.12
  6. Step 6: Final answer
    x = 5,381.54

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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.