Home / 14,252.90-21,371.14-4,389.53

Finding the Fourth Proportional to 14,252.90, 21,371.14 and 4,389.53

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Solution

The fourth proportional to 14,252.90, 21,371.14 and 4,389.53 is: 6,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.90 : 21,371.14 = 4,389.53 : x
  2. Step 2: Convert to fraction form
    14,252.90/21,371.14 = 4,389.53/x
  3. Step 3: Cross multiply
    14,252.90x = 21,371.14 × 4,389.53
  4. Step 4: Simplify right side
    14,252.90x = 93,809,158.80
  5. Step 5: Solve for x
    x = 93,809,158.80/14,252.90
  6. Step 6: Final answer
    x = 6,581.76

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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.