Home / 13,081.61-18,052.64-7,113.26

Finding the Fourth Proportional to 13,081.61, 18,052.64 and 7,113.26

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Solution

The fourth proportional to 13,081.61, 18,052.64 and 7,113.26 is: 9,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.61 : 18,052.64 = 7,113.26 : x
  2. Step 2: Convert to fraction form
    13,081.61/18,052.64 = 7,113.26/x
  3. Step 3: Cross multiply
    13,081.61x = 18,052.64 × 7,113.26
  4. Step 4: Simplify right side
    13,081.61x = 128,412,996.18
  5. Step 5: Solve for x
    x = 128,412,996.18/13,081.61
  6. Step 6: Final answer
    x = 9,816.30

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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.