Home / 10,130.27-15,200.67-7,664.36

Finding the Fourth Proportional to 10,130.27, 15,200.67 and 7,664.36

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Solution

The fourth proportional to 10,130.27, 15,200.67 and 7,664.36 is: 11,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.27 : 15,200.67 = 7,664.36 : x
  2. Step 2: Convert to fraction form
    10,130.27/15,200.67 = 7,664.36/x
  3. Step 3: Cross multiply
    10,130.27x = 15,200.67 × 7,664.36
  4. Step 4: Simplify right side
    10,130.27x = 116,503,407.12
  5. Step 5: Solve for x
    x = 116,503,407.12/10,130.27
  6. Step 6: Final answer
    x = 11,500.52

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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.