Home / 19,603.69-29,349.38-18,362.17

Finding the Fourth Proportional to 19,603.69, 29,349.38 and 18,362.17

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Solution

The fourth proportional to 19,603.69, 29,349.38 and 18,362.17 is: 27,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.69 : 29,349.38 = 18,362.17 : x
  2. Step 2: Convert to fraction form
    19,603.69/29,349.38 = 18,362.17/x
  3. Step 3: Cross multiply
    19,603.69x = 29,349.38 × 18,362.17
  4. Step 4: Simplify right side
    19,603.69x = 538,918,213.14
  5. Step 5: Solve for x
    x = 538,918,213.14/19,603.69
  6. Step 6: Final answer
    x = 27,490.65

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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.