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Finding the Fourth Proportional to 14,030.01, 19,360.62 and 8,371.15

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Solution

The fourth proportional to 14,030.01, 19,360.62 and 8,371.15 is: 11,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.01 : 19,360.62 = 8,371.15 : x
  2. Step 2: Convert to fraction form
    14,030.01/19,360.62 = 8,371.15/x
  3. Step 3: Cross multiply
    14,030.01x = 19,360.62 × 8,371.15
  4. Step 4: Simplify right side
    14,030.01x = 162,070,605.71
  5. Step 5: Solve for x
    x = 162,070,605.71/14,030.01
  6. Step 6: Final answer
    x = 11,551.71

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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.