Home / 22,208.32-30,647.12-12,136.64

Finding the Fourth Proportional to 22,208.32, 30,647.12 and 12,136.64

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Solution

The fourth proportional to 22,208.32, 30,647.12 and 12,136.64 is: 16,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.32 : 30,647.12 = 12,136.64 : x
  2. Step 2: Convert to fraction form
    22,208.32/30,647.12 = 12,136.64/x
  3. Step 3: Cross multiply
    22,208.32x = 30,647.12 × 12,136.64
  4. Step 4: Simplify right side
    22,208.32x = 371,953,062.48
  5. Step 5: Solve for x
    x = 371,953,062.48/22,208.32
  6. Step 6: Final answer
    x = 16,748.37

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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.