Home / 13,112.04-19,668.75-5,717.01

Finding the Fourth Proportional to 13,112.04, 19,668.75 and 5,717.01

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Solution

The fourth proportional to 13,112.04, 19,668.75 and 5,717.01 is: 8,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.04 : 19,668.75 = 5,717.01 : x
  2. Step 2: Convert to fraction form
    13,112.04/19,668.75 = 5,717.01/x
  3. Step 3: Cross multiply
    13,112.04x = 19,668.75 × 5,717.01
  4. Step 4: Simplify right side
    13,112.04x = 112,446,440.44
  5. Step 5: Solve for x
    x = 112,446,440.44/13,112.04
  6. Step 6: Final answer
    x = 8,575.82

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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.