Home / 14,356.90-21,513.37-9,659.51

Finding the Fourth Proportional to 14,356.90, 21,513.37 and 9,659.51

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Solution

The fourth proportional to 14,356.90, 21,513.37 and 9,659.51 is: 14,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.90 : 21,513.37 = 9,659.51 : x
  2. Step 2: Convert to fraction form
    14,356.90/21,513.37 = 9,659.51/x
  3. Step 3: Cross multiply
    14,356.90x = 21,513.37 × 9,659.51
  4. Step 4: Simplify right side
    14,356.90x = 207,808,579.72
  5. Step 5: Solve for x
    x = 207,808,579.72/14,356.90
  6. Step 6: Final answer
    x = 14,474.47

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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.