Home / 14,739.02-20,340.83-8,998.90

Finding the Fourth Proportional to 14,739.02, 20,340.83 and 8,998.90

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Solution

The fourth proportional to 14,739.02, 20,340.83 and 8,998.90 is: 12,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.02 : 20,340.83 = 8,998.90 : x
  2. Step 2: Convert to fraction form
    14,739.02/20,340.83 = 8,998.90/x
  3. Step 3: Cross multiply
    14,739.02x = 20,340.83 × 8,998.90
  4. Step 4: Simplify right side
    14,739.02x = 183,045,095.09
  5. Step 5: Solve for x
    x = 183,045,095.09/14,739.02
  6. Step 6: Final answer
    x = 12,419.08

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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.