Home / 13,058.97-18,009.77-10,540.28

Finding the Fourth Proportional to 13,058.97, 18,009.77 and 10,540.28

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Solution

The fourth proportional to 13,058.97, 18,009.77 and 10,540.28 is: 14,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.97 : 18,009.77 = 10,540.28 : x
  2. Step 2: Convert to fraction form
    13,058.97/18,009.77 = 10,540.28/x
  3. Step 3: Cross multiply
    13,058.97x = 18,009.77 × 10,540.28
  4. Step 4: Simplify right side
    13,058.97x = 189,827,875.79
  5. Step 5: Solve for x
    x = 189,827,875.79/13,058.97
  6. Step 6: Final answer
    x = 14,536.21

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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.