Home / 21,376.13-29,503.12-14,095.41

Finding the Fourth Proportional to 21,376.13, 29,503.12 and 14,095.41

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Solution

The fourth proportional to 21,376.13, 29,503.12 and 14,095.41 is: 19,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.13 : 29,503.12 = 14,095.41 : x
  2. Step 2: Convert to fraction form
    21,376.13/29,503.12 = 14,095.41/x
  3. Step 3: Cross multiply
    21,376.13x = 29,503.12 × 14,095.41
  4. Step 4: Simplify right side
    21,376.13x = 415,858,572.68
  5. Step 5: Solve for x
    x = 415,858,572.68/21,376.13
  6. Step 6: Final answer
    x = 19,454.34

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1.5x scale

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.