Home / 10,055.68-13,876.63-5,579.39

Finding the Fourth Proportional to 10,055.68, 13,876.63 and 5,579.39

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Solution

The fourth proportional to 10,055.68, 13,876.63 and 5,579.39 is: 7,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.68 : 13,876.63 = 5,579.39 : x
  2. Step 2: Convert to fraction form
    10,055.68/13,876.63 = 5,579.39/x
  3. Step 3: Cross multiply
    10,055.68x = 13,876.63 × 5,579.39
  4. Step 4: Simplify right side
    10,055.68x = 77,423,178.76
  5. Step 5: Solve for x
    x = 77,423,178.76/10,055.68
  6. Step 6: Final answer
    x = 7,699.45

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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.