Home / 9,365.52-12,924.36-5,173.76

Finding the Fourth Proportional to 9,365.52, 12,924.36 and 5,173.76

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Solution

The fourth proportional to 9,365.52, 12,924.36 and 5,173.76 is: 7,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.52 : 12,924.36 = 5,173.76 : x
  2. Step 2: Convert to fraction form
    9,365.52/12,924.36 = 5,173.76/x
  3. Step 3: Cross multiply
    9,365.52x = 12,924.36 × 5,173.76
  4. Step 4: Simplify right side
    9,365.52x = 66,867,536.79
  5. Step 5: Solve for x
    x = 66,867,536.79/9,365.52
  6. Step 6: Final answer
    x = 7,139.76

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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.