Home / 12,132.16-18,187.60-10,069.28

Finding the Fourth Proportional to 12,132.16, 18,187.60 and 10,069.28

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Solution

The fourth proportional to 12,132.16, 18,187.60 and 10,069.28 is: 15,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.16 : 18,187.60 = 10,069.28 : x
  2. Step 2: Convert to fraction form
    12,132.16/18,187.60 = 10,069.28/x
  3. Step 3: Cross multiply
    12,132.16x = 18,187.60 × 10,069.28
  4. Step 4: Simplify right side
    12,132.16x = 183,136,036.93
  5. Step 5: Solve for x
    x = 183,136,036.93/12,132.16
  6. Step 6: Final answer
    x = 15,095.09

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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.