Home / 10,031.54-15,051.64-4,770.29

Finding the Fourth Proportional to 10,031.54, 15,051.64 and 4,770.29

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Solution

The fourth proportional to 10,031.54, 15,051.64 and 4,770.29 is: 7,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.54 : 15,051.64 = 4,770.29 : x
  2. Step 2: Convert to fraction form
    10,031.54/15,051.64 = 4,770.29/x
  3. Step 3: Cross multiply
    10,031.54x = 15,051.64 × 4,770.29
  4. Step 4: Simplify right side
    10,031.54x = 71,800,612.52
  5. Step 5: Solve for x
    x = 71,800,612.52/10,031.54
  6. Step 6: Final answer
    x = 7,157.49

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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.