Home / 8,973.16-13,455.28-5,683.76

Finding the Fourth Proportional to 8,973.16, 13,455.28 and 5,683.76

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Solution

The fourth proportional to 8,973.16, 13,455.28 and 5,683.76 is: 8,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.16 : 13,455.28 = 5,683.76 : x
  2. Step 2: Convert to fraction form
    8,973.16/13,455.28 = 5,683.76/x
  3. Step 3: Cross multiply
    8,973.16x = 13,455.28 × 5,683.76
  4. Step 4: Simplify right side
    8,973.16x = 76,476,582.25
  5. Step 5: Solve for x
    x = 76,476,582.25/8,973.16
  6. Step 6: Final answer
    x = 8,522.81

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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.