Home / 15,732.07-21,710.33-9,018.09

Finding the Fourth Proportional to 15,732.07, 21,710.33 and 9,018.09

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Solution

The fourth proportional to 15,732.07, 21,710.33 and 9,018.09 is: 12,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732.07 : 21,710.33 = 9,018.09 : x
  2. Step 2: Convert to fraction form
    15,732.07/21,710.33 = 9,018.09/x
  3. Step 3: Cross multiply
    15,732.07x = 21,710.33 × 9,018.09
  4. Step 4: Simplify right side
    15,732.07x = 195,785,709.87
  5. Step 5: Solve for x
    x = 195,785,709.87/15,732.07
  6. Step 6: Final answer
    x = 12,445.01

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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.