Home / 21,719.32-32,579.70-6,929.08

Finding the Fourth Proportional to 21,719.32, 32,579.70 and 6,929.08

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Solution

The fourth proportional to 21,719.32, 32,579.70 and 6,929.08 is: 10,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.32 : 32,579.70 = 6,929.08 : x
  2. Step 2: Convert to fraction form
    21,719.32/32,579.70 = 6,929.08/x
  3. Step 3: Cross multiply
    21,719.32x = 32,579.70 × 6,929.08
  4. Step 4: Simplify right side
    21,719.32x = 225,747,347.68
  5. Step 5: Solve for x
    x = 225,747,347.68/21,719.32
  6. Step 6: Final answer
    x = 10,393.85

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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.