Home / 13,053.36-19,582.08-4,286.28

Finding the Fourth Proportional to 13,053.36, 19,582.08 and 4,286.28

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Solution

The fourth proportional to 13,053.36, 19,582.08 and 4,286.28 is: 6,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.36 : 19,582.08 = 4,286.28 : x
  2. Step 2: Convert to fraction form
    13,053.36/19,582.08 = 4,286.28/x
  3. Step 3: Cross multiply
    13,053.36x = 19,582.08 × 4,286.28
  4. Step 4: Simplify right side
    13,053.36x = 83,934,277.86
  5. Step 5: Solve for x
    x = 83,934,277.86/13,053.36
  6. Step 6: Final answer
    x = 6,430.09

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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.