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Finding the Fourth Proportional to 14,264.86, 19,690.08 and 8,295.40

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Solution

The fourth proportional to 14,264.86, 19,690.08 and 8,295.40 is: 11,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.86 : 19,690.08 = 8,295.40 : x
  2. Step 2: Convert to fraction form
    14,264.86/19,690.08 = 8,295.40/x
  3. Step 3: Cross multiply
    14,264.86x = 19,690.08 × 8,295.40
  4. Step 4: Simplify right side
    14,264.86x = 163,337,089.63
  5. Step 5: Solve for x
    x = 163,337,089.63/14,264.86
  6. Step 6: Final answer
    x = 11,450.31

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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.