Home / 13,066.21-19,573.79-10,439.18

Finding the Fourth Proportional to 13,066.21, 19,573.79 and 10,439.18

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Solution

The fourth proportional to 13,066.21, 19,573.79 and 10,439.18 is: 15,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.21 : 19,573.79 = 10,439.18 : x
  2. Step 2: Convert to fraction form
    13,066.21/19,573.79 = 10,439.18/x
  3. Step 3: Cross multiply
    13,066.21x = 19,573.79 × 10,439.18
  4. Step 4: Simplify right side
    13,066.21x = 204,334,219.22
  5. Step 5: Solve for x
    x = 204,334,219.22/13,066.21
  6. Step 6: Final answer
    x = 15,638.38

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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.