Home / 16,905.80-23,328.51-9,352.10

Finding the Fourth Proportional to 16,905.80, 23,328.51 and 9,352.10

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Solution

The fourth proportional to 16,905.80, 23,328.51 and 9,352.10 is: 12,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.80 : 23,328.51 = 9,352.10 : x
  2. Step 2: Convert to fraction form
    16,905.80/23,328.51 = 9,352.10/x
  3. Step 3: Cross multiply
    16,905.80x = 23,328.51 × 9,352.10
  4. Step 4: Simplify right side
    16,905.80x = 218,170,558.37
  5. Step 5: Solve for x
    x = 218,170,558.37/16,905.80
  6. Step 6: Final answer
    x = 12,905.07

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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.