Home / 11,172.04-15,417.41-6,136.40

Finding the Fourth Proportional to 11,172.04, 15,417.41 and 6,136.40

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Solution

The fourth proportional to 11,172.04, 15,417.41 and 6,136.40 is: 8,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.04 : 15,417.41 = 6,136.40 : x
  2. Step 2: Convert to fraction form
    11,172.04/15,417.41 = 6,136.40/x
  3. Step 3: Cross multiply
    11,172.04x = 15,417.41 × 6,136.40
  4. Step 4: Simplify right side
    11,172.04x = 94,607,367.78
  5. Step 5: Solve for x
    x = 94,607,367.78/11,172.04
  6. Step 6: Final answer
    x = 8,468.23

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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.