Home / 13,562.55-20,346.89-7,322.44

Finding the Fourth Proportional to 13,562.55, 20,346.89 and 7,322.44

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Solution

The fourth proportional to 13,562.55, 20,346.89 and 7,322.44 is: 10,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.55 : 20,346.89 = 7,322.44 : x
  2. Step 2: Convert to fraction form
    13,562.55/20,346.89 = 7,322.44/x
  3. Step 3: Cross multiply
    13,562.55x = 20,346.89 × 7,322.44
  4. Step 4: Simplify right side
    13,562.55x = 148,988,881.21
  5. Step 5: Solve for x
    x = 148,988,881.21/13,562.55
  6. Step 6: Final answer
    x = 10,985.31

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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.