Home / 16,128.02-22,256.58-9,054.44

Finding the Fourth Proportional to 16,128.02, 22,256.58 and 9,054.44

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Solution

The fourth proportional to 16,128.02, 22,256.58 and 9,054.44 is: 12,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.02 : 22,256.58 = 9,054.44 : x
  2. Step 2: Convert to fraction form
    16,128.02/22,256.58 = 9,054.44/x
  3. Step 3: Cross multiply
    16,128.02x = 22,256.58 × 9,054.44
  4. Step 4: Simplify right side
    16,128.02x = 201,520,868.22
  5. Step 5: Solve for x
    x = 201,520,868.22/16,128.02
  6. Step 6: Final answer
    x = 12,495.08

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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.