Home / 14,140.67-21,206.10-4,277.30

Finding the Fourth Proportional to 14,140.67, 21,206.10 and 4,277.30

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Solution

The fourth proportional to 14,140.67, 21,206.10 and 4,277.30 is: 6,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.67 : 21,206.10 = 4,277.30 : x
  2. Step 2: Convert to fraction form
    14,140.67/21,206.10 = 4,277.30/x
  3. Step 3: Cross multiply
    14,140.67x = 21,206.10 × 4,277.30
  4. Step 4: Simplify right side
    14,140.67x = 90,704,851.53
  5. Step 5: Solve for x
    x = 90,704,851.53/14,140.67
  6. Step 6: Final answer
    x = 6,414.47

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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.