Home / 10,808.61-14,872.91-10,740.57

Finding the Fourth Proportional to 10,808.61, 14,872.91 and 10,740.57

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Solution

The fourth proportional to 10,808.61, 14,872.91 and 10,740.57 is: 14,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.61 : 14,872.91 = 10,740.57 : x
  2. Step 2: Convert to fraction form
    10,808.61/14,872.91 = 10,740.57/x
  3. Step 3: Cross multiply
    10,808.61x = 14,872.91 × 10,740.57
  4. Step 4: Simplify right side
    10,808.61x = 159,743,530.96
  5. Step 5: Solve for x
    x = 159,743,530.96/10,808.61
  6. Step 6: Final answer
    x = 14,779.29

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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.