Home / 13,328.01-19,981.22-5,542.65

Finding the Fourth Proportional to 13,328.01, 19,981.22 and 5,542.65

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Solution

The fourth proportional to 13,328.01, 19,981.22 and 5,542.65 is: 8,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.01 : 19,981.22 = 5,542.65 : x
  2. Step 2: Convert to fraction form
    13,328.01/19,981.22 = 5,542.65/x
  3. Step 3: Cross multiply
    13,328.01x = 19,981.22 × 5,542.65
  4. Step 4: Simplify right side
    13,328.01x = 110,748,881.32
  5. Step 5: Solve for x
    x = 110,748,881.32/13,328.01
  6. Step 6: Final answer
    x = 8,309.48

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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.