Home / 10,055.39-13,876.66-5,579

Finding the Fourth Proportional to 10,055.39, 13,876.66 and 5,579

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Solution

The fourth proportional to 10,055.39, 13,876.66 and 5,579 is: 7,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.39 : 13,876.66 = 5,579 : x
  2. Step 2: Convert to fraction form
    10,055.39/13,876.66 = 5,579/x
  3. Step 3: Cross multiply
    10,055.39x = 13,876.66 × 5,579
  4. Step 4: Simplify right side
    10,055.39x = 77,417,886.14
  5. Step 5: Solve for x
    x = 77,417,886.14/10,055.39
  6. Step 6: Final answer
    x = 7,699.14

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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.