Home / 16,959.08-23,405.01-9,885.35

Finding the Fourth Proportional to 16,959.08, 23,405.01 and 9,885.35

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Solution

The fourth proportional to 16,959.08, 23,405.01 and 9,885.35 is: 13,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.08 : 23,405.01 = 9,885.35 : x
  2. Step 2: Convert to fraction form
    16,959.08/23,405.01 = 9,885.35/x
  3. Step 3: Cross multiply
    16,959.08x = 23,405.01 × 9,885.35
  4. Step 4: Simplify right side
    16,959.08x = 231,366,715.60
  5. Step 5: Solve for x
    x = 231,366,715.60/16,959.08
  6. Step 6: Final answer
    x = 13,642.65

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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.