Home / 21,035.50-29,029.02-11,604.70

Finding the Fourth Proportional to 21,035.50, 29,029.02 and 11,604.70

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Solution

The fourth proportional to 21,035.50, 29,029.02 and 11,604.70 is: 16,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.50 : 29,029.02 = 11,604.70 : x
  2. Step 2: Convert to fraction form
    21,035.50/29,029.02 = 11,604.70/x
  3. Step 3: Cross multiply
    21,035.50x = 29,029.02 × 11,604.70
  4. Step 4: Simplify right side
    21,035.50x = 336,873,068.39
  5. Step 5: Solve for x
    x = 336,873,068.39/21,035.50
  6. Step 6: Final answer
    x = 16,014.50

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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.