Home / 13,887.39-19,164.99-7,600.17

Finding the Fourth Proportional to 13,887.39, 19,164.99 and 7,600.17

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Solution

The fourth proportional to 13,887.39, 19,164.99 and 7,600.17 is: 10,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.39 : 19,164.99 = 7,600.17 : x
  2. Step 2: Convert to fraction form
    13,887.39/19,164.99 = 7,600.17/x
  3. Step 3: Cross multiply
    13,887.39x = 19,164.99 × 7,600.17
  4. Step 4: Simplify right side
    13,887.39x = 145,657,182.05
  5. Step 5: Solve for x
    x = 145,657,182.05/13,887.39
  6. Step 6: Final answer
    x = 10,488.45

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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.