Home / 10,015.10-13,826.46-6,662.51

Finding the Fourth Proportional to 10,015.10, 13,826.46 and 6,662.51

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Solution

The fourth proportional to 10,015.10, 13,826.46 and 6,662.51 is: 9,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.10 : 13,826.46 = 6,662.51 : x
  2. Step 2: Convert to fraction form
    10,015.10/13,826.46 = 6,662.51/x
  3. Step 3: Cross multiply
    10,015.10x = 13,826.46 × 6,662.51
  4. Step 4: Simplify right side
    10,015.10x = 92,118,928.01
  5. Step 5: Solve for x
    x = 92,118,928.01/10,015.10
  6. Step 6: Final answer
    x = 9,198.00

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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.