Home / 16,864.36-23,271.61-9,309.48

Finding the Fourth Proportional to 16,864.36, 23,271.61 and 9,309.48

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Solution

The fourth proportional to 16,864.36, 23,271.61 and 9,309.48 is: 12,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.36 : 23,271.61 = 9,309.48 : x
  2. Step 2: Convert to fraction form
    16,864.36/23,271.61 = 9,309.48/x
  3. Step 3: Cross multiply
    16,864.36x = 23,271.61 × 9,309.48
  4. Step 4: Simplify right side
    16,864.36x = 216,646,587.86
  5. Step 5: Solve for x
    x = 216,646,587.86/16,864.36
  6. Step 6: Final answer
    x = 12,846.42

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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.