Home / 12,130.36-16,741.55-7,352.20

Finding the Fourth Proportional to 12,130.36, 16,741.55 and 7,352.20

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Solution

The fourth proportional to 12,130.36, 16,741.55 and 7,352.20 is: 10,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.36 : 16,741.55 = 7,352.20 : x
  2. Step 2: Convert to fraction form
    12,130.36/16,741.55 = 7,352.20/x
  3. Step 3: Cross multiply
    12,130.36x = 16,741.55 × 7,352.20
  4. Step 4: Simplify right side
    12,130.36x = 123,087,263.22
  5. Step 5: Solve for x
    x = 123,087,263.22/12,130.36
  6. Step 6: Final answer
    x = 10,147.04

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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.