Home / 10,655.16-15,982.79-3,259.59

Finding the Fourth Proportional to 10,655.16, 15,982.79 and 3,259.59

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Solution

The fourth proportional to 10,655.16, 15,982.79 and 3,259.59 is: 4,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.16 : 15,982.79 = 3,259.59 : x
  2. Step 2: Convert to fraction form
    10,655.16/15,982.79 = 3,259.59/x
  3. Step 3: Cross multiply
    10,655.16x = 15,982.79 × 3,259.59
  4. Step 4: Simplify right side
    10,655.16x = 52,097,342.46
  5. Step 5: Solve for x
    x = 52,097,342.46/10,655.16
  6. Step 6: Final answer
    x = 4,889.40

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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.