Home / 12,701.66-19,053.39-4,381.55

Finding the Fourth Proportional to 12,701.66, 19,053.39 and 4,381.55

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Solution

The fourth proportional to 12,701.66, 19,053.39 and 4,381.55 is: 6,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.66 : 19,053.39 = 4,381.55 : x
  2. Step 2: Convert to fraction form
    12,701.66/19,053.39 = 4,381.55/x
  3. Step 3: Cross multiply
    12,701.66x = 19,053.39 × 4,381.55
  4. Step 4: Simplify right side
    12,701.66x = 83,483,263.78
  5. Step 5: Solve for x
    x = 83,483,263.78/12,701.66
  6. Step 6: Final answer
    x = 6,572.63

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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.