Home / 13,437.29-18,551.75-8,658.92

Finding the Fourth Proportional to 13,437.29, 18,551.75 and 8,658.92

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Solution

The fourth proportional to 13,437.29, 18,551.75 and 8,658.92 is: 11,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.29 : 18,551.75 = 8,658.92 : x
  2. Step 2: Convert to fraction form
    13,437.29/18,551.75 = 8,658.92/x
  3. Step 3: Cross multiply
    13,437.29x = 18,551.75 × 8,658.92
  4. Step 4: Simplify right side
    13,437.29x = 160,638,026.35
  5. Step 5: Solve for x
    x = 160,638,026.35/13,437.29
  6. Step 6: Final answer
    x = 11,954.65

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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.