Home / 21,350.83-29,463.71-11,790.15

Finding the Fourth Proportional to 21,350.83, 29,463.71 and 11,790.15

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Solution

The fourth proportional to 21,350.83, 29,463.71 and 11,790.15 is: 16,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.83 : 29,463.71 = 11,790.15 : x
  2. Step 2: Convert to fraction form
    21,350.83/29,463.71 = 11,790.15/x
  3. Step 3: Cross multiply
    21,350.83x = 29,463.71 × 11,790.15
  4. Step 4: Simplify right side
    21,350.83x = 347,381,501.51
  5. Step 5: Solve for x
    x = 347,381,501.51/21,350.83
  6. Step 6: Final answer
    x = 16,270.17

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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.