Home / 21,994.10-30,376.93-14,908.22

Finding the Fourth Proportional to 21,994.10, 30,376.93 and 14,908.22

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Solution

The fourth proportional to 21,994.10, 30,376.93 and 14,908.22 is: 20,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.10 : 30,376.93 = 14,908.22 : x
  2. Step 2: Convert to fraction form
    21,994.10/30,376.93 = 14,908.22/x
  3. Step 3: Cross multiply
    21,994.10x = 30,376.93 × 14,908.22
  4. Step 4: Simplify right side
    21,994.10x = 452,865,994.04
  5. Step 5: Solve for x
    x = 452,865,994.04/21,994.10
  6. Step 6: Final answer
    x = 20,590.34

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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.