Home / 20,254.55-30,363.35-7,099.74

Finding the Fourth Proportional to 20,254.55, 30,363.35 and 7,099.74

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Solution

The fourth proportional to 20,254.55, 30,363.35 and 7,099.74 is: 10,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.55 : 30,363.35 = 7,099.74 : x
  2. Step 2: Convert to fraction form
    20,254.55/30,363.35 = 7,099.74/x
  3. Step 3: Cross multiply
    20,254.55x = 30,363.35 × 7,099.74
  4. Step 4: Simplify right side
    20,254.55x = 215,571,855.03
  5. Step 5: Solve for x
    x = 215,571,855.03/20,254.55
  6. Step 6: Final answer
    x = 10,643.13

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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.