Home / 20,162.64-30,250.02-8,148.60

Finding the Fourth Proportional to 20,162.64, 30,250.02 and 8,148.60

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Solution

The fourth proportional to 20,162.64, 30,250.02 and 8,148.60 is: 12,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.64 : 30,250.02 = 8,148.60 : x
  2. Step 2: Convert to fraction form
    20,162.64/30,250.02 = 8,148.60/x
  3. Step 3: Cross multiply
    20,162.64x = 30,250.02 × 8,148.60
  4. Step 4: Simplify right side
    20,162.64x = 246,495,312.97
  5. Step 5: Solve for x
    x = 246,495,312.97/20,162.64
  6. Step 6: Final answer
    x = 12,225.35

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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.