Home / 14,380.02-21,542.37-8,817.14

Finding the Fourth Proportional to 14,380.02, 21,542.37 and 8,817.14

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Solution

The fourth proportional to 14,380.02, 21,542.37 and 8,817.14 is: 13,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.02 : 21,542.37 = 8,817.14 : x
  2. Step 2: Convert to fraction form
    14,380.02/21,542.37 = 8,817.14/x
  3. Step 3: Cross multiply
    14,380.02x = 21,542.37 × 8,817.14
  4. Step 4: Simplify right side
    14,380.02x = 189,941,984.51
  5. Step 5: Solve for x
    x = 189,941,984.51/14,380.02
  6. Step 6: Final answer
    x = 13,208.74

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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.