Home / 11,347.12-15,659.34-6,871.64

Finding the Fourth Proportional to 11,347.12, 15,659.34 and 6,871.64

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Solution

The fourth proportional to 11,347.12, 15,659.34 and 6,871.64 is: 9,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.12 : 15,659.34 = 6,871.64 : x
  2. Step 2: Convert to fraction form
    11,347.12/15,659.34 = 6,871.64/x
  3. Step 3: Cross multiply
    11,347.12x = 15,659.34 × 6,871.64
  4. Step 4: Simplify right side
    11,347.12x = 107,605,347.12
  5. Step 5: Solve for x
    x = 107,605,347.12/11,347.12
  6. Step 6: Final answer
    x = 9,483.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.