Home / 13,252.88-18,291.63-7,874.28

Finding the Fourth Proportional to 13,252.88, 18,291.63 and 7,874.28

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Solution

The fourth proportional to 13,252.88, 18,291.63 and 7,874.28 is: 10,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.88 : 18,291.63 = 7,874.28 : x
  2. Step 2: Convert to fraction form
    13,252.88/18,291.63 = 7,874.28/x
  3. Step 3: Cross multiply
    13,252.88x = 18,291.63 × 7,874.28
  4. Step 4: Simplify right side
    13,252.88x = 144,033,285.45
  5. Step 5: Solve for x
    x = 144,033,285.45/13,252.88
  6. Step 6: Final answer
    x = 10,868.08

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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.