Home / 21,559.05-32,341.64-6,769.13

Finding the Fourth Proportional to 21,559.05, 32,341.64 and 6,769.13

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Solution

The fourth proportional to 21,559.05, 32,341.64 and 6,769.13 is: 10,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.05 : 32,341.64 = 6,769.13 : x
  2. Step 2: Convert to fraction form
    21,559.05/32,341.64 = 6,769.13/x
  3. Step 3: Cross multiply
    21,559.05x = 32,341.64 × 6,769.13
  4. Step 4: Simplify right side
    21,559.05x = 218,924,570.02
  5. Step 5: Solve for x
    x = 218,924,570.02/21,559.05
  6. Step 6: Final answer
    x = 10,154.65

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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.