Home / 10,120.46-13,967.91-7,475.54

Finding the Fourth Proportional to 10,120.46, 13,967.91 and 7,475.54

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Solution

The fourth proportional to 10,120.46, 13,967.91 and 7,475.54 is: 10,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.46 : 13,967.91 = 7,475.54 : x
  2. Step 2: Convert to fraction form
    10,120.46/13,967.91 = 7,475.54/x
  3. Step 3: Cross multiply
    10,120.46x = 13,967.91 × 7,475.54
  4. Step 4: Simplify right side
    10,120.46x = 104,417,600.08
  5. Step 5: Solve for x
    x = 104,417,600.08/10,120.46
  6. Step 6: Final answer
    x = 10,317.48

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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.