Home / 16,128.64-22,259.82-9,055.54

Finding the Fourth Proportional to 16,128.64, 22,259.82 and 9,055.54

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Solution

The fourth proportional to 16,128.64, 22,259.82 and 9,055.54 is: 12,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.64 : 22,259.82 = 9,055.54 : x
  2. Step 2: Convert to fraction form
    16,128.64/22,259.82 = 9,055.54/x
  3. Step 3: Cross multiply
    16,128.64x = 22,259.82 × 9,055.54
  4. Step 4: Simplify right side
    16,128.64x = 201,574,690.40
  5. Step 5: Solve for x
    x = 201,574,690.40/16,128.64
  6. Step 6: Final answer
    x = 12,497.93

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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.