Home / 9,106.89-13,655.63-4,172.30

Finding the Fourth Proportional to 9,106.89, 13,655.63 and 4,172.30

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Solution

The fourth proportional to 9,106.89, 13,655.63 and 4,172.30 is: 6,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.89 : 13,655.63 = 4,172.30 : x
  2. Step 2: Convert to fraction form
    9,106.89/13,655.63 = 4,172.30/x
  3. Step 3: Cross multiply
    9,106.89x = 13,655.63 × 4,172.30
  4. Step 4: Simplify right side
    9,106.89x = 56,975,306.34
  5. Step 5: Solve for x
    x = 56,975,306.34/9,106.89
  6. Step 6: Final answer
    x = 6,256.29

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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.