Home / 15,267.40-21,057.16-10,230.01

Finding the Fourth Proportional to 15,267.40, 21,057.16 and 10,230.01

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Solution

The fourth proportional to 15,267.40, 21,057.16 and 10,230.01 is: 14,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.40 : 21,057.16 = 10,230.01 : x
  2. Step 2: Convert to fraction form
    15,267.40/21,057.16 = 10,230.01/x
  3. Step 3: Cross multiply
    15,267.40x = 21,057.16 × 10,230.01
  4. Step 4: Simplify right side
    15,267.40x = 215,414,957.37
  5. Step 5: Solve for x
    x = 215,414,957.37/15,267.40
  6. Step 6: Final answer
    x = 14,109.47

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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.