Home / 10,312.36-14,231.46-8,826.28

Finding the Fourth Proportional to 10,312.36, 14,231.46 and 8,826.28

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Solution

The fourth proportional to 10,312.36, 14,231.46 and 8,826.28 is: 12,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.36 : 14,231.46 = 8,826.28 : x
  2. Step 2: Convert to fraction form
    10,312.36/14,231.46 = 8,826.28/x
  3. Step 3: Cross multiply
    10,312.36x = 14,231.46 × 8,826.28
  4. Step 4: Simplify right side
    10,312.36x = 125,610,850.77
  5. Step 5: Solve for x
    x = 125,610,850.77/10,312.36
  6. Step 6: Final answer
    x = 12,180.61

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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.