Home / 16,921.40-23,345.88-9,846.32

Finding the Fourth Proportional to 16,921.40, 23,345.88 and 9,846.32

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Solution

The fourth proportional to 16,921.40, 23,345.88 and 9,846.32 is: 13,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.40 : 23,345.88 = 9,846.32 : x
  2. Step 2: Convert to fraction form
    16,921.40/23,345.88 = 9,846.32/x
  3. Step 3: Cross multiply
    16,921.40x = 23,345.88 × 9,846.32
  4. Step 4: Simplify right side
    16,921.40x = 229,871,005.16
  5. Step 5: Solve for x
    x = 229,871,005.16/16,921.40
  6. Step 6: Final answer
    x = 13,584.63

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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.