Home / 13,133.78-19,699.94-4,248.93

Finding the Fourth Proportional to 13,133.78, 19,699.94 and 4,248.93

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Solution

The fourth proportional to 13,133.78, 19,699.94 and 4,248.93 is: 6,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.78 : 19,699.94 = 4,248.93 : x
  2. Step 2: Convert to fraction form
    13,133.78/19,699.94 = 4,248.93/x
  3. Step 3: Cross multiply
    13,133.78x = 19,699.94 × 4,248.93
  4. Step 4: Simplify right side
    13,133.78x = 83,703,644.82
  5. Step 5: Solve for x
    x = 83,703,644.82/13,133.78
  6. Step 6: Final answer
    x = 6,373.16

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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.