Home / 10,366.93-15,556.80-5,440.10

Finding the Fourth Proportional to 10,366.93, 15,556.80 and 5,440.10

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Solution

The fourth proportional to 10,366.93, 15,556.80 and 5,440.10 is: 8,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.93 : 15,556.80 = 5,440.10 : x
  2. Step 2: Convert to fraction form
    10,366.93/15,556.80 = 5,440.10/x
  3. Step 3: Cross multiply
    10,366.93x = 15,556.80 × 5,440.10
  4. Step 4: Simplify right side
    10,366.93x = 84,630,547.68
  5. Step 5: Solve for x
    x = 84,630,547.68/10,366.93
  6. Step 6: Final answer
    x = 8,163.51

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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.