Home / 14,574.02-20,111.64-8,200.73

Finding the Fourth Proportional to 14,574.02, 20,111.64 and 8,200.73

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Solution

The fourth proportional to 14,574.02, 20,111.64 and 8,200.73 is: 11,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.02 : 20,111.64 = 8,200.73 : x
  2. Step 2: Convert to fraction form
    14,574.02/20,111.64 = 8,200.73/x
  3. Step 3: Cross multiply
    14,574.02x = 20,111.64 × 8,200.73
  4. Step 4: Simplify right side
    14,574.02x = 164,930,129.50
  5. Step 5: Solve for x
    x = 164,930,129.50/14,574.02
  6. Step 6: Final answer
    x = 11,316.72

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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.