Home / 10,942.29-15,087.20-7,587.99

Finding the Fourth Proportional to 10,942.29, 15,087.20 and 7,587.99

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Solution

The fourth proportional to 10,942.29, 15,087.20 and 7,587.99 is: 10,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.29 : 15,087.20 = 7,587.99 : x
  2. Step 2: Convert to fraction form
    10,942.29/15,087.20 = 7,587.99/x
  3. Step 3: Cross multiply
    10,942.29x = 15,087.20 × 7,587.99
  4. Step 4: Simplify right side
    10,942.29x = 114,481,484.79
  5. Step 5: Solve for x
    x = 114,481,484.79/10,942.29
  6. Step 6: Final answer
    x = 10,462.30

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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.