Home / 21,972.02-32,962.88-12,106.22

Finding the Fourth Proportional to 21,972.02, 32,962.88 and 12,106.22

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Solution

The fourth proportional to 21,972.02, 32,962.88 and 12,106.22 is: 18,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.02 : 32,962.88 = 12,106.22 : x
  2. Step 2: Convert to fraction form
    21,972.02/32,962.88 = 12,106.22/x
  3. Step 3: Cross multiply
    21,972.02x = 32,962.88 × 12,106.22
  4. Step 4: Simplify right side
    21,972.02x = 399,055,877.11
  5. Step 5: Solve for x
    x = 399,055,877.11/21,972.02
  6. Step 6: Final answer
    x = 18,162.00

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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.