Home / 14,124.38-21,186.72-4,263.74

Finding the Fourth Proportional to 14,124.38, 21,186.72 and 4,263.74

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Solution

The fourth proportional to 14,124.38, 21,186.72 and 4,263.74 is: 6,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.38 : 21,186.72 = 4,263.74 : x
  2. Step 2: Convert to fraction form
    14,124.38/21,186.72 = 4,263.74/x
  3. Step 3: Cross multiply
    14,124.38x = 21,186.72 × 4,263.74
  4. Step 4: Simplify right side
    14,124.38x = 90,334,665.53
  5. Step 5: Solve for x
    x = 90,334,665.53/14,124.38
  6. Step 6: Final answer
    x = 6,395.66

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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.