Home / 10,808.31-14,904.09-8,535.87

Finding the Fourth Proportional to 10,808.31, 14,904.09 and 8,535.87

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Solution

The fourth proportional to 10,808.31, 14,904.09 and 8,535.87 is: 11,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.31 : 14,904.09 = 8,535.87 : x
  2. Step 2: Convert to fraction form
    10,808.31/14,904.09 = 8,535.87/x
  3. Step 3: Cross multiply
    10,808.31x = 14,904.09 × 8,535.87
  4. Step 4: Simplify right side
    10,808.31x = 127,219,374.71
  5. Step 5: Solve for x
    x = 127,219,374.71/10,808.31
  6. Step 6: Final answer
    x = 11,770.51

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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.