Home / 14,290.99-21,449.64-7,276.01

Finding the Fourth Proportional to 14,290.99, 21,449.64 and 7,276.01

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Solution

The fourth proportional to 14,290.99, 21,449.64 and 7,276.01 is: 10,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.99 : 21,449.64 = 7,276.01 : x
  2. Step 2: Convert to fraction form
    14,290.99/21,449.64 = 7,276.01/x
  3. Step 3: Cross multiply
    14,290.99x = 21,449.64 × 7,276.01
  4. Step 4: Simplify right side
    14,290.99x = 156,067,812.38
  5. Step 5: Solve for x
    x = 156,067,812.38/14,290.99
  6. Step 6: Final answer
    x = 10,920.72

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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.