Home / 15,802.08-21,806.46-10,131

Finding the Fourth Proportional to 15,802.08, 21,806.46 and 10,131

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Solution

The fourth proportional to 15,802.08, 21,806.46 and 10,131 is: 13,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802.08 : 21,806.46 = 10,131 : x
  2. Step 2: Convert to fraction form
    15,802.08/21,806.46 = 10,131/x
  3. Step 3: Cross multiply
    15,802.08x = 21,806.46 × 10,131
  4. Step 4: Simplify right side
    15,802.08x = 220,921,246.26
  5. Step 5: Solve for x
    x = 220,921,246.26/15,802.08
  6. Step 6: Final answer
    x = 13,980.52

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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.