Home / 10,443.96-15,647.70-8,700.17

Finding the Fourth Proportional to 10,443.96, 15,647.70 and 8,700.17

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Solution

The fourth proportional to 10,443.96, 15,647.70 and 8,700.17 is: 13,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.96 : 15,647.70 = 8,700.17 : x
  2. Step 2: Convert to fraction form
    10,443.96/15,647.70 = 8,700.17/x
  3. Step 3: Cross multiply
    10,443.96x = 15,647.70 × 8,700.17
  4. Step 4: Simplify right side
    10,443.96x = 136,137,571.87
  5. Step 5: Solve for x
    x = 136,137,571.87/10,443.96
  6. Step 6: Final answer
    x = 13,035.06

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1.5x scale

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.