Home / 10,120.17-13,965.17-5,582.58

Finding the Fourth Proportional to 10,120.17, 13,965.17 and 5,582.58

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Solution

The fourth proportional to 10,120.17, 13,965.17 and 5,582.58 is: 7,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.17 : 13,965.17 = 5,582.58 : x
  2. Step 2: Convert to fraction form
    10,120.17/13,965.17 = 5,582.58/x
  3. Step 3: Cross multiply
    10,120.17x = 13,965.17 × 5,582.58
  4. Step 4: Simplify right side
    10,120.17x = 77,961,647.30
  5. Step 5: Solve for x
    x = 77,961,647.30/10,120.17
  6. Step 6: Final answer
    x = 7,703.59

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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.