Home / 14,139.36-21,216.33-5,825.52

Finding the Fourth Proportional to 14,139.36, 21,216.33 and 5,825.52

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Solution

The fourth proportional to 14,139.36, 21,216.33 and 5,825.52 is: 8,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.36 : 21,216.33 = 5,825.52 : x
  2. Step 2: Convert to fraction form
    14,139.36/21,216.33 = 5,825.52/x
  3. Step 3: Cross multiply
    14,139.36x = 21,216.33 × 5,825.52
  4. Step 4: Simplify right side
    14,139.36x = 123,596,154.74
  5. Step 5: Solve for x
    x = 123,596,154.74/14,139.36
  6. Step 6: Final answer
    x = 8,741.28

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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.