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Finding the Fourth Proportional to 14,145.93, 19,510.11 and 9,110.57

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Solution

The fourth proportional to 14,145.93, 19,510.11 and 9,110.57 is: 12,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.93 : 19,510.11 = 9,110.57 : x
  2. Step 2: Convert to fraction form
    14,145.93/19,510.11 = 9,110.57/x
  3. Step 3: Cross multiply
    14,145.93x = 19,510.11 × 9,110.57
  4. Step 4: Simplify right side
    14,145.93x = 177,748,125.31
  5. Step 5: Solve for x
    x = 177,748,125.31/14,145.93
  6. Step 6: Final answer
    x = 12,565.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.