Home / 10,355.25-15,605.75-9,369.39

Finding the Fourth Proportional to 10,355.25, 15,605.75 and 9,369.39

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Solution

The fourth proportional to 10,355.25, 15,605.75 and 9,369.39 is: 14,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.25 : 15,605.75 = 9,369.39 : x
  2. Step 2: Convert to fraction form
    10,355.25/15,605.75 = 9,369.39/x
  3. Step 3: Cross multiply
    10,355.25x = 15,605.75 × 9,369.39
  4. Step 4: Simplify right side
    10,355.25x = 146,216,357.99
  5. Step 5: Solve for x
    x = 146,216,357.99/10,355.25
  6. Step 6: Final answer
    x = 14,120.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.