Home / 22,282.02-30,748.41-12,210.21

Finding the Fourth Proportional to 22,282.02, 30,748.41 and 12,210.21

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Solution

The fourth proportional to 22,282.02, 30,748.41 and 12,210.21 is: 16,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.02 : 30,748.41 = 12,210.21 : x
  2. Step 2: Convert to fraction form
    22,282.02/30,748.41 = 12,210.21/x
  3. Step 3: Cross multiply
    22,282.02x = 30,748.41 × 12,210.21
  4. Step 4: Simplify right side
    22,282.02x = 375,444,543.27
  5. Step 5: Solve for x
    x = 375,444,543.27/22,282.02
  6. Step 6: Final answer
    x = 16,849.66

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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.