Home / 21,659.32-32,486.10-6,869.76

Finding the Fourth Proportional to 21,659.32, 32,486.10 and 6,869.76

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Solution

The fourth proportional to 21,659.32, 32,486.10 and 6,869.76 is: 10,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.32 : 32,486.10 = 6,869.76 : x
  2. Step 2: Convert to fraction form
    21,659.32/32,486.10 = 6,869.76/x
  3. Step 3: Cross multiply
    21,659.32x = 32,486.10 × 6,869.76
  4. Step 4: Simplify right side
    21,659.32x = 223,171,710.34
  5. Step 5: Solve for x
    x = 223,171,710.34/21,659.32
  6. Step 6: Final answer
    x = 10,303.73

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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.