Home / 14,652.36-20,219.04-8,279.51

Finding the Fourth Proportional to 14,652.36, 20,219.04 and 8,279.51

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Solution

The fourth proportional to 14,652.36, 20,219.04 and 8,279.51 is: 11,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.36 : 20,219.04 = 8,279.51 : x
  2. Step 2: Convert to fraction form
    14,652.36/20,219.04 = 8,279.51/x
  3. Step 3: Cross multiply
    14,652.36x = 20,219.04 × 8,279.51
  4. Step 4: Simplify right side
    14,652.36x = 167,403,642.78
  5. Step 5: Solve for x
    x = 167,403,642.78/14,652.36
  6. Step 6: Final answer
    x = 11,425.03

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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.