Home / 13,459.29-20,189.01-4,694.21

Finding the Fourth Proportional to 13,459.29, 20,189.01 and 4,694.21

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Solution

The fourth proportional to 13,459.29, 20,189.01 and 4,694.21 is: 7,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.29 : 20,189.01 = 4,694.21 : x
  2. Step 2: Convert to fraction form
    13,459.29/20,189.01 = 4,694.21/x
  3. Step 3: Cross multiply
    13,459.29x = 20,189.01 × 4,694.21
  4. Step 4: Simplify right side
    13,459.29x = 94,771,452.63
  5. Step 5: Solve for x
    x = 94,771,452.63/13,459.29
  6. Step 6: Final answer
    x = 7,041.34

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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.