Home / 13,309.01-19,968.29-5,707.11

Finding the Fourth Proportional to 13,309.01, 19,968.29 and 5,707.11

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Solution

The fourth proportional to 13,309.01, 19,968.29 and 5,707.11 is: 8,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.01 : 19,968.29 = 5,707.11 : x
  2. Step 2: Convert to fraction form
    13,309.01/19,968.29 = 5,707.11/x
  3. Step 3: Cross multiply
    13,309.01x = 19,968.29 × 5,707.11
  4. Step 4: Simplify right side
    13,309.01x = 113,961,241.81
  5. Step 5: Solve for x
    x = 113,961,241.81/13,309.01
  6. Step 6: Final answer
    x = 8,562.72

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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.