Home / 15,801.14-21,795.71-9,423.29

Finding the Fourth Proportional to 15,801.14, 21,795.71 and 9,423.29

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Solution

The fourth proportional to 15,801.14, 21,795.71 and 9,423.29 is: 12,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.14 : 21,795.71 = 9,423.29 : x
  2. Step 2: Convert to fraction form
    15,801.14/21,795.71 = 9,423.29/x
  3. Step 3: Cross multiply
    15,801.14x = 21,795.71 × 9,423.29
  4. Step 4: Simplify right side
    15,801.14x = 205,387,139.99
  5. Step 5: Solve for x
    x = 205,387,139.99/15,801.14
  6. Step 6: Final answer
    x = 12,998.25

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1.5x scale

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.