Home / 10,209.41-15,308.64-4,659.76

Finding the Fourth Proportional to 10,209.41, 15,308.64 and 4,659.76

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Solution

The fourth proportional to 10,209.41, 15,308.64 and 4,659.76 is: 6,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.41 : 15,308.64 = 4,659.76 : x
  2. Step 2: Convert to fraction form
    10,209.41/15,308.64 = 4,659.76/x
  3. Step 3: Cross multiply
    10,209.41x = 15,308.64 × 4,659.76
  4. Step 4: Simplify right side
    10,209.41x = 71,334,588.33
  5. Step 5: Solve for x
    x = 71,334,588.33/10,209.41
  6. Step 6: Final answer
    x = 6,987.14

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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.