Home / 16,818.12-23,208.73-9,649.35

Finding the Fourth Proportional to 16,818.12, 23,208.73 and 9,649.35

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Solution

The fourth proportional to 16,818.12, 23,208.73 and 9,649.35 is: 13,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.12 : 23,208.73 = 9,649.35 : x
  2. Step 2: Convert to fraction form
    16,818.12/23,208.73 = 9,649.35/x
  3. Step 3: Cross multiply
    16,818.12x = 23,208.73 × 9,649.35
  4. Step 4: Simplify right side
    16,818.12x = 223,949,134.70
  5. Step 5: Solve for x
    x = 223,949,134.70/16,818.12
  6. Step 6: Final answer
    x = 13,315.94

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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.