Home / 14,275.36-21,405.18-4,411.90

Finding the Fourth Proportional to 14,275.36, 21,405.18 and 4,411.90

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Solution

The fourth proportional to 14,275.36, 21,405.18 and 4,411.90 is: 6,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.36 : 21,405.18 = 4,411.90 : x
  2. Step 2: Convert to fraction form
    14,275.36/21,405.18 = 4,411.90/x
  3. Step 3: Cross multiply
    14,275.36x = 21,405.18 × 4,411.90
  4. Step 4: Simplify right side
    14,275.36x = 94,437,513.64
  5. Step 5: Solve for x
    x = 94,437,513.64/14,275.36
  6. Step 6: Final answer
    x = 6,615.42

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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.