Home / 14,218.34-19,621.02-8,250.59

Finding the Fourth Proportional to 14,218.34, 19,621.02 and 8,250.59

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Solution

The fourth proportional to 14,218.34, 19,621.02 and 8,250.59 is: 11,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.34 : 19,621.02 = 8,250.59 : x
  2. Step 2: Convert to fraction form
    14,218.34/19,621.02 = 8,250.59/x
  3. Step 3: Cross multiply
    14,218.34x = 19,621.02 × 8,250.59
  4. Step 4: Simplify right side
    14,218.34x = 161,884,991.40
  5. Step 5: Solve for x
    x = 161,884,991.40/14,218.34
  6. Step 6: Final answer
    x = 11,385.65

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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.