Home / 10,031.05-15,069.64-7,076.29

Finding the Fourth Proportional to 10,031.05, 15,069.64 and 7,076.29

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Solution

The fourth proportional to 10,031.05, 15,069.64 and 7,076.29 is: 10,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.05 : 15,069.64 = 7,076.29 : x
  2. Step 2: Convert to fraction form
    10,031.05/15,069.64 = 7,076.29/x
  3. Step 3: Cross multiply
    10,031.05x = 15,069.64 × 7,076.29
  4. Step 4: Simplify right side
    10,031.05x = 106,637,157.25
  5. Step 5: Solve for x
    x = 106,637,157.25/10,031.05
  6. Step 6: Final answer
    x = 10,630.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.