Home / 10,089-13,912.29-6,108.66

Finding the Fourth Proportional to 10,089, 13,912.29 and 6,108.66

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Solution

The fourth proportional to 10,089, 13,912.29 and 6,108.66 is: 8,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089 : 13,912.29 = 6,108.66 : x
  2. Step 2: Convert to fraction form
    10,089/13,912.29 = 6,108.66/x
  3. Step 3: Cross multiply
    10,089x = 13,912.29 × 6,108.66
  4. Step 4: Simplify right side
    10,089x = 84,985,449.43
  5. Step 5: Solve for x
    x = 84,985,449.43/10,089
  6. Step 6: Final answer
    x = 8,423.58

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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.