Home / 15,983.89-22,057.82-8,715.93

Finding the Fourth Proportional to 15,983.89, 22,057.82 and 8,715.93

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Solution

The fourth proportional to 15,983.89, 22,057.82 and 8,715.93 is: 12,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.89 : 22,057.82 = 8,715.93 : x
  2. Step 2: Convert to fraction form
    15,983.89/22,057.82 = 8,715.93/x
  3. Step 3: Cross multiply
    15,983.89x = 22,057.82 × 8,715.93
  4. Step 4: Simplify right side
    15,983.89x = 192,254,415.07
  5. Step 5: Solve for x
    x = 192,254,415.07/15,983.89
  6. Step 6: Final answer
    x = 12,028.01

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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.