Home / 13,955.12-19,263.12-9,240.92

Finding the Fourth Proportional to 13,955.12, 19,263.12 and 9,240.92

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Solution

The fourth proportional to 13,955.12, 19,263.12 and 9,240.92 is: 12,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.12 : 19,263.12 = 9,240.92 : x
  2. Step 2: Convert to fraction form
    13,955.12/19,263.12 = 9,240.92/x
  3. Step 3: Cross multiply
    13,955.12x = 19,263.12 × 9,240.92
  4. Step 4: Simplify right side
    13,955.12x = 178,008,950.87
  5. Step 5: Solve for x
    x = 178,008,950.87/13,955.12
  6. Step 6: Final answer
    x = 12,755.82

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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.