Home / 12,741.36-17,581.23-7,435.17

Finding the Fourth Proportional to 12,741.36, 17,581.23 and 7,435.17

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Solution

The fourth proportional to 12,741.36, 17,581.23 and 7,435.17 is: 10,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.36 : 17,581.23 = 7,435.17 : x
  2. Step 2: Convert to fraction form
    12,741.36/17,581.23 = 7,435.17/x
  3. Step 3: Cross multiply
    12,741.36x = 17,581.23 × 7,435.17
  4. Step 4: Simplify right side
    12,741.36x = 130,719,433.86
  5. Step 5: Solve for x
    x = 130,719,433.86/12,741.36
  6. Step 6: Final answer
    x = 10,259.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.