Home / 10,166.30-15,238.51-6,645.23

Finding the Fourth Proportional to 10,166.30, 15,238.51 and 6,645.23

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Solution

The fourth proportional to 10,166.30, 15,238.51 and 6,645.23 is: 9,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.30 : 15,238.51 = 6,645.23 : x
  2. Step 2: Convert to fraction form
    10,166.30/15,238.51 = 6,645.23/x
  3. Step 3: Cross multiply
    10,166.30x = 15,238.51 × 6,645.23
  4. Step 4: Simplify right side
    10,166.30x = 101,263,403.81
  5. Step 5: Solve for x
    x = 101,263,403.81/10,166.30
  6. Step 6: Final answer
    x = 9,960.69

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1.5x scale

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.