Home / 10,355.91-14,290.70-5,879.58

Finding the Fourth Proportional to 10,355.91, 14,290.70 and 5,879.58

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Solution

The fourth proportional to 10,355.91, 14,290.70 and 5,879.58 is: 8,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.91 : 14,290.70 = 5,879.58 : x
  2. Step 2: Convert to fraction form
    10,355.91/14,290.70 = 5,879.58/x
  3. Step 3: Cross multiply
    10,355.91x = 14,290.70 × 5,879.58
  4. Step 4: Simplify right side
    10,355.91x = 84,023,284.51
  5. Step 5: Solve for x
    x = 84,023,284.51/10,355.91
  6. Step 6: Final answer
    x = 8,113.56

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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.