Home / 21,658.98-32,508.87-11,136.38

Finding the Fourth Proportional to 21,658.98, 32,508.87 and 11,136.38

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Solution

The fourth proportional to 21,658.98, 32,508.87 and 11,136.38 is: 16,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.98 : 32,508.87 = 11,136.38 : x
  2. Step 2: Convert to fraction form
    21,658.98/32,508.87 = 11,136.38/x
  3. Step 3: Cross multiply
    21,658.98x = 32,508.87 × 11,136.38
  4. Step 4: Simplify right side
    21,658.98x = 362,030,967.15
  5. Step 5: Solve for x
    x = 362,030,967.15/21,658.98
  6. Step 6: Final answer
    x = 16,715.05

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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.