Home / 16,817.64-23,207.88-9,648.75

Finding the Fourth Proportional to 16,817.64, 23,207.88 and 9,648.75

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Solution

The fourth proportional to 16,817.64, 23,207.88 and 9,648.75 is: 13,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.64 : 23,207.88 = 9,648.75 : x
  2. Step 2: Convert to fraction form
    16,817.64/23,207.88 = 9,648.75/x
  3. Step 3: Cross multiply
    16,817.64x = 23,207.88 × 9,648.75
  4. Step 4: Simplify right side
    16,817.64x = 223,927,032.15
  5. Step 5: Solve for x
    x = 223,927,032.15/16,817.64
  6. Step 6: Final answer
    x = 13,315.01

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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.