Home / 10,790.19-14,876.10-8,089.92

Finding the Fourth Proportional to 10,790.19, 14,876.10 and 8,089.92

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Solution

The fourth proportional to 10,790.19, 14,876.10 and 8,089.92 is: 11,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.19 : 14,876.10 = 8,089.92 : x
  2. Step 2: Convert to fraction form
    10,790.19/14,876.10 = 8,089.92/x
  3. Step 3: Cross multiply
    10,790.19x = 14,876.10 × 8,089.92
  4. Step 4: Simplify right side
    10,790.19x = 120,346,458.91
  5. Step 5: Solve for x
    x = 120,346,458.91/10,790.19
  6. Step 6: Final answer
    x = 11,153.32

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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.