Home / 16,875.70-23,291.31-9,806.22

Finding the Fourth Proportional to 16,875.70, 23,291.31 and 9,806.22

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Solution

The fourth proportional to 16,875.70, 23,291.31 and 9,806.22 is: 13,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.70 : 23,291.31 = 9,806.22 : x
  2. Step 2: Convert to fraction form
    16,875.70/23,291.31 = 9,806.22/x
  3. Step 3: Cross multiply
    16,875.70x = 23,291.31 × 9,806.22
  4. Step 4: Simplify right side
    16,875.70x = 228,399,709.95
  5. Step 5: Solve for x
    x = 228,399,709.95/16,875.70
  6. Step 6: Final answer
    x = 13,534.24

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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.