Home / 21,756.32-32,575.92-11,346.08

Finding the Fourth Proportional to 21,756.32, 32,575.92 and 11,346.08

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Solution

The fourth proportional to 21,756.32, 32,575.92 and 11,346.08 is: 16,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756.32 : 32,575.92 = 11,346.08 : x
  2. Step 2: Convert to fraction form
    21,756.32/32,575.92 = 11,346.08/x
  3. Step 3: Cross multiply
    21,756.32x = 32,575.92 × 11,346.08
  4. Step 4: Simplify right side
    21,756.32x = 369,608,994.39
  5. Step 5: Solve for x
    x = 369,608,994.39/21,756.32
  6. Step 6: Final answer
    x = 16,988.58

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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.