Home / 13,011.26-17,955.59-7,042.93

Finding the Fourth Proportional to 13,011.26, 17,955.59 and 7,042.93

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Solution

The fourth proportional to 13,011.26, 17,955.59 and 7,042.93 is: 9,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.26 : 17,955.59 = 7,042.93 : x
  2. Step 2: Convert to fraction form
    13,011.26/17,955.59 = 7,042.93/x
  3. Step 3: Cross multiply
    13,011.26x = 17,955.59 × 7,042.93
  4. Step 4: Simplify right side
    13,011.26x = 126,459,963.48
  5. Step 5: Solve for x
    x = 126,459,963.48/13,011.26
  6. Step 6: Final answer
    x = 9,719.27

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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.