Home / 20,192.10-30,259.35-14,885.70

Finding the Fourth Proportional to 20,192.10, 30,259.35 and 14,885.70

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Solution

The fourth proportional to 20,192.10, 30,259.35 and 14,885.70 is: 22,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.10 : 30,259.35 = 14,885.70 : x
  2. Step 2: Convert to fraction form
    20,192.10/30,259.35 = 14,885.70/x
  3. Step 3: Cross multiply
    20,192.10x = 30,259.35 × 14,885.70
  4. Step 4: Simplify right side
    20,192.10x = 450,431,606.30
  5. Step 5: Solve for x
    x = 450,431,606.30/20,192.10
  6. Step 6: Final answer
    x = 22,307.32

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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.