Home / 13,011.24-17,955.61-7,042.96

Finding the Fourth Proportional to 13,011.24, 17,955.61 and 7,042.96

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Solution

The fourth proportional to 13,011.24, 17,955.61 and 7,042.96 is: 9,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.24 : 17,955.61 = 7,042.96 : x
  2. Step 2: Convert to fraction form
    13,011.24/17,955.61 = 7,042.96/x
  3. Step 3: Cross multiply
    13,011.24x = 17,955.61 × 7,042.96
  4. Step 4: Simplify right side
    13,011.24x = 126,460,647.84
  5. Step 5: Solve for x
    x = 126,460,647.84/13,011.24
  6. Step 6: Final answer
    x = 9,719.34

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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.