Home / 14,307.37-19,742.57-8,019.61

Finding the Fourth Proportional to 14,307.37, 19,742.57 and 8,019.61

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Solution

The fourth proportional to 14,307.37, 19,742.57 and 8,019.61 is: 11,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.37 : 19,742.57 = 8,019.61 : x
  2. Step 2: Convert to fraction form
    14,307.37/19,742.57 = 8,019.61/x
  3. Step 3: Cross multiply
    14,307.37x = 19,742.57 × 8,019.61
  4. Step 4: Simplify right side
    14,307.37x = 158,327,652.42
  5. Step 5: Solve for x
    x = 158,327,652.42/14,307.37
  6. Step 6: Final answer
    x = 11,066.16

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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.