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Finding the Fourth Proportional to 12,301.00, 16,968.59 and 8,526.40

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Solution

The fourth proportional to 12,301.00, 16,968.59 and 8,526.40 is: 11,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.00 : 16,968.59 = 8,526.40 : x
  2. Step 2: Convert to fraction form
    12,301.00/16,968.59 = 8,526.40/x
  3. Step 3: Cross multiply
    12,301.00x = 16,968.59 × 8,526.40
  4. Step 4: Simplify right side
    12,301.00x = 144,680,932.70
  5. Step 5: Solve for x
    x = 144,680,932.70/12,301.00
  6. Step 6: Final answer
    x = 11,761.72

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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.