Home / 9,509.10-14,267.85-5,121.42

Finding the Fourth Proportional to 9,509.10, 14,267.85 and 5,121.42

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Solution

The fourth proportional to 9,509.10, 14,267.85 and 5,121.42 is: 7,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.10 : 14,267.85 = 5,121.42 : x
  2. Step 2: Convert to fraction form
    9,509.10/14,267.85 = 5,121.42/x
  3. Step 3: Cross multiply
    9,509.10x = 14,267.85 × 5,121.42
  4. Step 4: Simplify right side
    9,509.10x = 73,071,652.35
  5. Step 5: Solve for x
    x = 73,071,652.35/9,509.10
  6. Step 6: Final answer
    x = 7,684.39

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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.