Home / 17,826.78-24,601.21-9,869.00

Finding the Fourth Proportional to 17,826.78, 24,601.21 and 9,869.00

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Solution

The fourth proportional to 17,826.78, 24,601.21 and 9,869.00 is: 13,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,826.78 : 24,601.21 = 9,869.00 : x
  2. Step 2: Convert to fraction form
    17,826.78/24,601.21 = 9,869.00/x
  3. Step 3: Cross multiply
    17,826.78x = 24,601.21 × 9,869.00
  4. Step 4: Simplify right side
    17,826.78x = 242,789,378.32
  5. Step 5: Solve for x
    x = 242,789,378.32/17,826.78
  6. Step 6: Final answer
    x = 13,619.36

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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.