Home / 14,122.01-19,486.16-8,152.56

Finding the Fourth Proportional to 14,122.01, 19,486.16 and 8,152.56

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Solution

The fourth proportional to 14,122.01, 19,486.16 and 8,152.56 is: 11,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.01 : 19,486.16 = 8,152.56 : x
  2. Step 2: Convert to fraction form
    14,122.01/19,486.16 = 8,152.56/x
  3. Step 3: Cross multiply
    14,122.01x = 19,486.16 × 8,152.56
  4. Step 4: Simplify right side
    14,122.01x = 158,862,047.81
  5. Step 5: Solve for x
    x = 158,862,047.81/14,122.01
  6. Step 6: Final answer
    x = 11,249.26

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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.