Home / 10,293.36-15,440.16-6,805.68

Finding the Fourth Proportional to 10,293.36, 15,440.16 and 6,805.68

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Solution

The fourth proportional to 10,293.36, 15,440.16 and 6,805.68 is: 10,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.36 : 15,440.16 = 6,805.68 : x
  2. Step 2: Convert to fraction form
    10,293.36/15,440.16 = 6,805.68/x
  3. Step 3: Cross multiply
    10,293.36x = 15,440.16 × 6,805.68
  4. Step 4: Simplify right side
    10,293.36x = 105,080,788.11
  5. Step 5: Solve for x
    x = 105,080,788.11/10,293.36
  6. Step 6: Final answer
    x = 10,208.60

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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.