Home / 13,534.26-18,670.44-9,058.20

Finding the Fourth Proportional to 13,534.26, 18,670.44 and 9,058.20

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Solution

The fourth proportional to 13,534.26, 18,670.44 and 9,058.20 is: 12,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.26 : 18,670.44 = 9,058.20 : x
  2. Step 2: Convert to fraction form
    13,534.26/18,670.44 = 9,058.20/x
  3. Step 3: Cross multiply
    13,534.26x = 18,670.44 × 9,058.20
  4. Step 4: Simplify right side
    13,534.26x = 169,120,579.61
  5. Step 5: Solve for x
    x = 169,120,579.61/13,534.26
  6. Step 6: Final answer
    x = 12,495.74

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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.