Home / 15,240.12-21,025.14-9,933

Finding the Fourth Proportional to 15,240.12, 21,025.14 and 9,933

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Solution

The fourth proportional to 15,240.12, 21,025.14 and 9,933 is: 13,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.12 : 21,025.14 = 9,933 : x
  2. Step 2: Convert to fraction form
    15,240.12/21,025.14 = 9,933/x
  3. Step 3: Cross multiply
    15,240.12x = 21,025.14 × 9,933
  4. Step 4: Simplify right side
    15,240.12x = 208,842,715.62
  5. Step 5: Solve for x
    x = 208,842,715.62/15,240.12
  6. Step 6: Final answer
    x = 13,703.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.