Home / 14,322.69-21,478.91-4,960.20

Finding the Fourth Proportional to 14,322.69, 21,478.91 and 4,960.20

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Solution

The fourth proportional to 14,322.69, 21,478.91 and 4,960.20 is: 7,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.69 : 21,478.91 = 4,960.20 : x
  2. Step 2: Convert to fraction form
    14,322.69/21,478.91 = 4,960.20/x
  3. Step 3: Cross multiply
    14,322.69x = 21,478.91 × 4,960.20
  4. Step 4: Simplify right side
    14,322.69x = 106,539,689.38
  5. Step 5: Solve for x
    x = 106,539,689.38/14,322.69
  6. Step 6: Final answer
    x = 7,438.53

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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.