Home / 13,560.84-20,341.40-6,539.22

Finding the Fourth Proportional to 13,560.84, 20,341.40 and 6,539.22

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Solution

The fourth proportional to 13,560.84, 20,341.40 and 6,539.22 is: 9,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.84 : 20,341.40 = 6,539.22 : x
  2. Step 2: Convert to fraction form
    13,560.84/20,341.40 = 6,539.22/x
  3. Step 3: Cross multiply
    13,560.84x = 20,341.40 × 6,539.22
  4. Step 4: Simplify right side
    13,560.84x = 133,016,857.01
  5. Step 5: Solve for x
    x = 133,016,857.01/13,560.84
  6. Step 6: Final answer
    x = 9,808.90

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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.