Home / 16,998.94-23,457.81-9,445.78

Finding the Fourth Proportional to 16,998.94, 23,457.81 and 9,445.78

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Solution

The fourth proportional to 16,998.94, 23,457.81 and 9,445.78 is: 13,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.94 : 23,457.81 = 9,445.78 : x
  2. Step 2: Convert to fraction form
    16,998.94/23,457.81 = 9,445.78/x
  3. Step 3: Cross multiply
    16,998.94x = 23,457.81 × 9,445.78
  4. Step 4: Simplify right side
    16,998.94x = 221,577,312.54
  5. Step 5: Solve for x
    x = 221,577,312.54/16,998.94
  6. Step 6: Final answer
    x = 13,034.77

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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.