Home / 10,643.71-15,965.54-5,902.77

Finding the Fourth Proportional to 10,643.71, 15,965.54 and 5,902.77

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Solution

The fourth proportional to 10,643.71, 15,965.54 and 5,902.77 is: 8,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.71 : 15,965.54 = 5,902.77 : x
  2. Step 2: Convert to fraction form
    10,643.71/15,965.54 = 5,902.77/x
  3. Step 3: Cross multiply
    10,643.71x = 15,965.54 × 5,902.77
  4. Step 4: Simplify right side
    10,643.71x = 94,240,873.23
  5. Step 5: Solve for x
    x = 94,240,873.23/10,643.71
  6. Step 6: Final answer
    x = 8,854.14

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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.