Home / 9,564.72-13,199.19-5,315.81

Finding the Fourth Proportional to 9,564.72, 13,199.19 and 5,315.81

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Solution

The fourth proportional to 9,564.72, 13,199.19 and 5,315.81 is: 7,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,564.72 : 13,199.19 = 5,315.81 : x
  2. Step 2: Convert to fraction form
    9,564.72/13,199.19 = 5,315.81/x
  3. Step 3: Cross multiply
    9,564.72x = 13,199.19 × 5,315.81
  4. Step 4: Simplify right side
    9,564.72x = 70,164,320.20
  5. Step 5: Solve for x
    x = 70,164,320.20/9,564.72
  6. Step 6: Final answer
    x = 7,335.74

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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.