Home / 13,026.40-17,976.41-7,058.07

Finding the Fourth Proportional to 13,026.40, 17,976.41 and 7,058.07

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Solution

The fourth proportional to 13,026.40, 17,976.41 and 7,058.07 is: 9,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.40 : 17,976.41 = 7,058.07 : x
  2. Step 2: Convert to fraction form
    13,026.40/17,976.41 = 7,058.07/x
  3. Step 3: Cross multiply
    13,026.40x = 17,976.41 × 7,058.07
  4. Step 4: Simplify right side
    13,026.40x = 126,878,834.68
  5. Step 5: Solve for x
    x = 126,878,834.68/13,026.40
  6. Step 6: Final answer
    x = 9,740.13

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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.