Home / 13,352.01-20,039.89-7,117.17

Finding the Fourth Proportional to 13,352.01, 20,039.89 and 7,117.17

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Solution

The fourth proportional to 13,352.01, 20,039.89 and 7,117.17 is: 10,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.01 : 20,039.89 = 7,117.17 : x
  2. Step 2: Convert to fraction form
    13,352.01/20,039.89 = 7,117.17/x
  3. Step 3: Cross multiply
    13,352.01x = 20,039.89 × 7,117.17
  4. Step 4: Simplify right side
    13,352.01x = 142,627,224.31
  5. Step 5: Solve for x
    x = 142,627,224.31/13,352.01
  6. Step 6: Final answer
    x = 10,682.08

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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.