Home / 15,854.24-21,875.84-10,190

Finding the Fourth Proportional to 15,854.24, 21,875.84 and 10,190

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Solution

The fourth proportional to 15,854.24, 21,875.84 and 10,190 is: 14,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.24 : 21,875.84 = 10,190 : x
  2. Step 2: Convert to fraction form
    15,854.24/21,875.84 = 10,190/x
  3. Step 3: Cross multiply
    15,854.24x = 21,875.84 × 10,190
  4. Step 4: Simplify right side
    15,854.24x = 222,914,809.60
  5. Step 5: Solve for x
    x = 222,914,809.60/15,854.24
  6. Step 6: Final answer
    x = 14,060.26

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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.