Home / 12,130.63-18,192.70-5,463.25

Finding the Fourth Proportional to 12,130.63, 18,192.70 and 5,463.25

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Solution

The fourth proportional to 12,130.63, 18,192.70 and 5,463.25 is: 8,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.63 : 18,192.70 = 5,463.25 : x
  2. Step 2: Convert to fraction form
    12,130.63/18,192.70 = 5,463.25/x
  3. Step 3: Cross multiply
    12,130.63x = 18,192.70 × 5,463.25
  4. Step 4: Simplify right side
    12,130.63x = 99,391,268.28
  5. Step 5: Solve for x
    x = 99,391,268.28/12,130.63
  6. Step 6: Final answer
    x = 8,193.41

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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.