Home / 22,071.43-30,459.16-12,000.55

Finding the Fourth Proportional to 22,071.43, 30,459.16 and 12,000.55

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Solution

The fourth proportional to 22,071.43, 30,459.16 and 12,000.55 is: 16,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.43 : 30,459.16 = 12,000.55 : x
  2. Step 2: Convert to fraction form
    22,071.43/30,459.16 = 12,000.55/x
  3. Step 3: Cross multiply
    22,071.43x = 30,459.16 × 12,000.55
  4. Step 4: Simplify right side
    22,071.43x = 365,526,520.24
  5. Step 5: Solve for x
    x = 365,526,520.24/22,071.43
  6. Step 6: Final answer
    x = 16,561.07

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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.