Home / 21,884.77-32,774.55-12,496.35

Finding the Fourth Proportional to 21,884.77, 32,774.55 and 12,496.35

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Solution

The fourth proportional to 21,884.77, 32,774.55 and 12,496.35 is: 18,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.77 : 32,774.55 = 12,496.35 : x
  2. Step 2: Convert to fraction form
    21,884.77/32,774.55 = 12,496.35/x
  3. Step 3: Cross multiply
    21,884.77x = 32,774.55 × 12,496.35
  4. Step 4: Simplify right side
    21,884.77x = 409,562,266.90
  5. Step 5: Solve for x
    x = 409,562,266.90/21,884.77
  6. Step 6: Final answer
    x = 18,714.49

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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.