Home / 13,557.19-18,699.26-8,252.34

Finding the Fourth Proportional to 13,557.19, 18,699.26 and 8,252.34

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Solution

The fourth proportional to 13,557.19, 18,699.26 and 8,252.34 is: 11,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.19 : 18,699.26 = 8,252.34 : x
  2. Step 2: Convert to fraction form
    13,557.19/18,699.26 = 8,252.34/x
  3. Step 3: Cross multiply
    13,557.19x = 18,699.26 × 8,252.34
  4. Step 4: Simplify right side
    13,557.19x = 154,312,610.01
  5. Step 5: Solve for x
    x = 154,312,610.01/13,557.19
  6. Step 6: Final answer
    x = 11,382.35

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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.