Home / 14,287.68-21,431.36-5,051.52

Finding the Fourth Proportional to 14,287.68, 21,431.36 and 5,051.52

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Solution

The fourth proportional to 14,287.68, 21,431.36 and 5,051.52 is: 7,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.68 : 21,431.36 = 5,051.52 : x
  2. Step 2: Convert to fraction form
    14,287.68/21,431.36 = 5,051.52/x
  3. Step 3: Cross multiply
    14,287.68x = 21,431.36 × 5,051.52
  4. Step 4: Simplify right side
    14,287.68x = 108,260,943.67
  5. Step 5: Solve for x
    x = 108,260,943.67/14,287.68
  6. Step 6: Final answer
    x = 7,577.22

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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.