Home / 13,937.61-19,227.45-8,899.27

Finding the Fourth Proportional to 13,937.61, 19,227.45 and 8,899.27

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Solution

The fourth proportional to 13,937.61, 19,227.45 and 8,899.27 is: 12,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.61 : 19,227.45 = 8,899.27 : x
  2. Step 2: Convert to fraction form
    13,937.61/19,227.45 = 8,899.27/x
  3. Step 3: Cross multiply
    13,937.61x = 19,227.45 × 8,899.27
  4. Step 4: Simplify right side
    13,937.61x = 171,110,268.96
  5. Step 5: Solve for x
    x = 171,110,268.96/13,937.61
  6. Step 6: Final answer
    x = 12,276.87

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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.