Home / 16,739.51-23,091.80-9,929.57

Finding the Fourth Proportional to 16,739.51, 23,091.80 and 9,929.57

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Solution

The fourth proportional to 16,739.51, 23,091.80 and 9,929.57 is: 13,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.51 : 23,091.80 = 9,929.57 : x
  2. Step 2: Convert to fraction form
    16,739.51/23,091.80 = 9,929.57/x
  3. Step 3: Cross multiply
    16,739.51x = 23,091.80 × 9,929.57
  4. Step 4: Simplify right side
    16,739.51x = 229,291,479.42
  5. Step 5: Solve for x
    x = 229,291,479.42/16,739.51
  6. Step 6: Final answer
    x = 13,697.63

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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.