Home / 14,246.78-21,372.18-4,386.86

Finding the Fourth Proportional to 14,246.78, 21,372.18 and 4,386.86

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Solution

The fourth proportional to 14,246.78, 21,372.18 and 4,386.86 is: 6,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.78 : 21,372.18 = 4,386.86 : x
  2. Step 2: Convert to fraction form
    14,246.78/21,372.18 = 4,386.86/x
  3. Step 3: Cross multiply
    14,246.78x = 21,372.18 × 4,386.86
  4. Step 4: Simplify right side
    14,246.78x = 93,756,761.55
  5. Step 5: Solve for x
    x = 93,756,761.55/14,246.78
  6. Step 6: Final answer
    x = 6,580.91

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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.