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Finding the Fourth Proportional to 14,019.16, 19,347.06 and 8,051.08

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Solution

The fourth proportional to 14,019.16, 19,347.06 and 8,051.08 is: 11,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.16 : 19,347.06 = 8,051.08 : x
  2. Step 2: Convert to fraction form
    14,019.16/19,347.06 = 8,051.08/x
  3. Step 3: Cross multiply
    14,019.16x = 19,347.06 × 8,051.08
  4. Step 4: Simplify right side
    14,019.16x = 155,764,727.82
  5. Step 5: Solve for x
    x = 155,764,727.82/14,019.16
  6. Step 6: Final answer
    x = 11,110.85

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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.