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Finding the Fourth Proportional to 19,750.77, 29,633.04 and 8,655.99

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Solution

The fourth proportional to 19,750.77, 29,633.04 and 8,655.99 is: 12,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.77 : 29,633.04 = 8,655.99 : x
  2. Step 2: Convert to fraction form
    19,750.77/29,633.04 = 8,655.99/x
  3. Step 3: Cross multiply
    19,750.77x = 29,633.04 × 8,655.99
  4. Step 4: Simplify right side
    19,750.77x = 256,503,297.91
  5. Step 5: Solve for x
    x = 256,503,297.91/19,750.77
  6. Step 6: Final answer
    x = 12,987.00

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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.