Home / 13,564.38-20,346.81-4,799.34

Finding the Fourth Proportional to 13,564.38, 20,346.81 and 4,799.34

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Solution

The fourth proportional to 13,564.38, 20,346.81 and 4,799.34 is: 7,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.38 : 20,346.81 = 4,799.34 : x
  2. Step 2: Convert to fraction form
    13,564.38/20,346.81 = 4,799.34/x
  3. Step 3: Cross multiply
    13,564.38x = 20,346.81 × 4,799.34
  4. Step 4: Simplify right side
    13,564.38x = 97,651,259.11
  5. Step 5: Solve for x
    x = 97,651,259.11/13,564.38
  6. Step 6: Final answer
    x = 7,199.09

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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.