Home / 13,430.52-20,147.76-4,663.08

Finding the Fourth Proportional to 13,430.52, 20,147.76 and 4,663.08

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Solution

The fourth proportional to 13,430.52, 20,147.76 and 4,663.08 is: 6,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.52 : 20,147.76 = 4,663.08 : x
  2. Step 2: Convert to fraction form
    13,430.52/20,147.76 = 4,663.08/x
  3. Step 3: Cross multiply
    13,430.52x = 20,147.76 × 4,663.08
  4. Step 4: Simplify right side
    13,430.52x = 93,950,616.70
  5. Step 5: Solve for x
    x = 93,950,616.70/13,430.52
  6. Step 6: Final answer
    x = 6,995.31

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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.