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Finding the Fourth Proportional to 14,281.79, 21,411.07 and 5,968.00

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Solution

The fourth proportional to 14,281.79, 21,411.07 and 5,968.00 is: 8,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.79 : 21,411.07 = 5,968.00 : x
  2. Step 2: Convert to fraction form
    14,281.79/21,411.07 = 5,968.00/x
  3. Step 3: Cross multiply
    14,281.79x = 21,411.07 × 5,968.00
  4. Step 4: Simplify right side
    14,281.79x = 127,781,363.00
  5. Step 5: Solve for x
    x = 127,781,363.00/14,281.79
  6. Step 6: Final answer
    x = 8,947.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.