Home / 11,172.01-15,417.64-6,136.35

Finding the Fourth Proportional to 11,172.01, 15,417.64 and 6,136.35

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Solution

The fourth proportional to 11,172.01, 15,417.64 and 6,136.35 is: 8,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.01 : 15,417.64 = 6,136.35 : x
  2. Step 2: Convert to fraction form
    11,172.01/15,417.64 = 6,136.35/x
  3. Step 3: Cross multiply
    11,172.01x = 15,417.64 × 6,136.35
  4. Step 4: Simplify right side
    11,172.01x = 94,608,035.21
  5. Step 5: Solve for x
    x = 94,608,035.21/11,172.01
  6. Step 6: Final answer
    x = 8,468.31

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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.