Home / 21,124.46-29,116.95-14,994.28

Finding the Fourth Proportional to 21,124.46, 29,116.95 and 14,994.28

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Solution

The fourth proportional to 21,124.46, 29,116.95 and 14,994.28 is: 20,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,124.46 : 29,116.95 = 14,994.28 : x
  2. Step 2: Convert to fraction form
    21,124.46/29,116.95 = 14,994.28/x
  3. Step 3: Cross multiply
    21,124.46x = 29,116.95 × 14,994.28
  4. Step 4: Simplify right side
    21,124.46x = 436,587,701.05
  5. Step 5: Solve for x
    x = 436,587,701.05/21,124.46
  6. Step 6: Final answer
    x = 20,667.40

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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.