Home / 16,895.81-23,316.86-11,220.77

Finding the Fourth Proportional to 16,895.81, 23,316.86 and 11,220.77

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Solution

The fourth proportional to 16,895.81, 23,316.86 and 11,220.77 is: 15,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.81 : 23,316.86 = 11,220.77 : x
  2. Step 2: Convert to fraction form
    16,895.81/23,316.86 = 11,220.77/x
  3. Step 3: Cross multiply
    16,895.81x = 23,316.86 × 11,220.77
  4. Step 4: Simplify right side
    16,895.81x = 261,632,950.49
  5. Step 5: Solve for x
    x = 261,632,950.49/16,895.81
  6. Step 6: Final answer
    x = 15,485.08

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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.