Home / 14,143.23-21,214.96-4,283.28

Finding the Fourth Proportional to 14,143.23, 21,214.96 and 4,283.28

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Solution

The fourth proportional to 14,143.23, 21,214.96 and 4,283.28 is: 6,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.23 : 21,214.96 = 4,283.28 : x
  2. Step 2: Convert to fraction form
    14,143.23/21,214.96 = 4,283.28/x
  3. Step 3: Cross multiply
    14,143.23x = 21,214.96 × 4,283.28
  4. Step 4: Simplify right side
    14,143.23x = 90,869,603.16
  5. Step 5: Solve for x
    x = 90,869,603.16/14,143.23
  6. Step 6: Final answer
    x = 6,424.95

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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.