Home / 21,467.13-32,178.72-8,994.41

Finding the Fourth Proportional to 21,467.13, 32,178.72 and 8,994.41

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Solution

The fourth proportional to 21,467.13, 32,178.72 and 8,994.41 is: 13,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.13 : 32,178.72 = 8,994.41 : x
  2. Step 2: Convert to fraction form
    21,467.13/32,178.72 = 8,994.41/x
  3. Step 3: Cross multiply
    21,467.13x = 32,178.72 × 8,994.41
  4. Step 4: Simplify right side
    21,467.13x = 289,428,440.06
  5. Step 5: Solve for x
    x = 289,428,440.06/21,467.13
  6. Step 6: Final answer
    x = 13,482.40

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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.