Home / 15,897.52-21,940.50-9,183.14

Finding the Fourth Proportional to 15,897.52, 21,940.50 and 9,183.14

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Solution

The fourth proportional to 15,897.52, 21,940.50 and 9,183.14 is: 12,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.52 : 21,940.50 = 9,183.14 : x
  2. Step 2: Convert to fraction form
    15,897.52/21,940.50 = 9,183.14/x
  3. Step 3: Cross multiply
    15,897.52x = 21,940.50 × 9,183.14
  4. Step 4: Simplify right side
    15,897.52x = 201,482,683.17
  5. Step 5: Solve for x
    x = 201,482,683.17/15,897.52
  6. Step 6: Final answer
    x = 12,673.84

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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.