Home / 14,275.36-21,411.12-4,421.44

Finding the Fourth Proportional to 14,275.36, 21,411.12 and 4,421.44

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Solution

The fourth proportional to 14,275.36, 21,411.12 and 4,421.44 is: 6,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.36 : 21,411.12 = 4,421.44 : x
  2. Step 2: Convert to fraction form
    14,275.36/21,411.12 = 4,421.44/x
  3. Step 3: Cross multiply
    14,275.36x = 21,411.12 × 4,421.44
  4. Step 4: Simplify right side
    14,275.36x = 94,667,982.41
  5. Step 5: Solve for x
    x = 94,667,982.41/14,275.36
  6. Step 6: Final answer
    x = 6,631.57

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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.