Home / 13,261.84-18,292.98-9,855.82

Finding the Fourth Proportional to 13,261.84, 18,292.98 and 9,855.82

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Solution

The fourth proportional to 13,261.84, 18,292.98 and 9,855.82 is: 13,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.84 : 18,292.98 = 9,855.82 : x
  2. Step 2: Convert to fraction form
    13,261.84/18,292.98 = 9,855.82/x
  3. Step 3: Cross multiply
    13,261.84x = 18,292.98 × 9,855.82
  4. Step 4: Simplify right side
    13,261.84x = 180,292,318.14
  5. Step 5: Solve for x
    x = 180,292,318.14/13,261.84
  6. Step 6: Final answer
    x = 13,594.82

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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.