Home / 13,058.74-18,026.21-8,812.31

Finding the Fourth Proportional to 13,058.74, 18,026.21 and 8,812.31

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Solution

The fourth proportional to 13,058.74, 18,026.21 and 8,812.31 is: 12,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.74 : 18,026.21 = 8,812.31 : x
  2. Step 2: Convert to fraction form
    13,058.74/18,026.21 = 8,812.31/x
  3. Step 3: Cross multiply
    13,058.74x = 18,026.21 × 8,812.31
  4. Step 4: Simplify right side
    13,058.74x = 158,852,551.65
  5. Step 5: Solve for x
    x = 158,852,551.65/13,058.74
  6. Step 6: Final answer
    x = 12,164.46

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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.