Home / 13,570.74-18,717.09-9,093.06

Finding the Fourth Proportional to 13,570.74, 18,717.09 and 9,093.06

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Solution

The fourth proportional to 13,570.74, 18,717.09 and 9,093.06 is: 12,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.74 : 18,717.09 = 9,093.06 : x
  2. Step 2: Convert to fraction form
    13,570.74/18,717.09 = 9,093.06/x
  3. Step 3: Cross multiply
    13,570.74x = 18,717.09 × 9,093.06
  4. Step 4: Simplify right side
    13,570.74x = 170,195,622.40
  5. Step 5: Solve for x
    x = 170,195,622.40/13,570.74
  6. Step 6: Final answer
    x = 12,541.37

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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.