Home / 14,297.95-21,446.93-3,909.70

Finding the Fourth Proportional to 14,297.95, 21,446.93 and 3,909.70

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Solution

The fourth proportional to 14,297.95, 21,446.93 and 3,909.70 is: 5,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.95 : 21,446.93 = 3,909.70 : x
  2. Step 2: Convert to fraction form
    14,297.95/21,446.93 = 3,909.70/x
  3. Step 3: Cross multiply
    14,297.95x = 21,446.93 × 3,909.70
  4. Step 4: Simplify right side
    14,297.95x = 83,851,062.22
  5. Step 5: Solve for x
    x = 83,851,062.22/14,297.95
  6. Step 6: Final answer
    x = 5,864.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.