Home / 21,703.84-32,556.03-6,912.70

Finding the Fourth Proportional to 21,703.84, 32,556.03 and 6,912.70

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Solution

The fourth proportional to 21,703.84, 32,556.03 and 6,912.70 is: 10,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.84 : 32,556.03 = 6,912.70 : x
  2. Step 2: Convert to fraction form
    21,703.84/32,556.03 = 6,912.70/x
  3. Step 3: Cross multiply
    21,703.84x = 32,556.03 × 6,912.70
  4. Step 4: Simplify right side
    21,703.84x = 225,050,068.58
  5. Step 5: Solve for x
    x = 225,050,068.58/21,703.84
  6. Step 6: Final answer
    x = 10,369.14

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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.