Home / 10,369.35-15,531.21-8,570.01

Finding the Fourth Proportional to 10,369.35, 15,531.21 and 8,570.01

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Solution

The fourth proportional to 10,369.35, 15,531.21 and 8,570.01 is: 12,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.35 : 15,531.21 = 8,570.01 : x
  2. Step 2: Convert to fraction form
    10,369.35/15,531.21 = 8,570.01/x
  3. Step 3: Cross multiply
    10,369.35x = 15,531.21 × 8,570.01
  4. Step 4: Simplify right side
    10,369.35x = 133,102,625.01
  5. Step 5: Solve for x
    x = 133,102,625.01/10,369.35
  6. Step 6: Final answer
    x = 12,836.16

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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.