Home / 16,758.72-23,126.40-9,307.20

Finding the Fourth Proportional to 16,758.72, 23,126.40 and 9,307.20

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Solution

The fourth proportional to 16,758.72, 23,126.40 and 9,307.20 is: 12,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.72 : 23,126.40 = 9,307.20 : x
  2. Step 2: Convert to fraction form
    16,758.72/23,126.40 = 9,307.20/x
  3. Step 3: Cross multiply
    16,758.72x = 23,126.40 × 9,307.20
  4. Step 4: Simplify right side
    16,758.72x = 215,242,030.08
  5. Step 5: Solve for x
    x = 215,242,030.08/16,758.72
  6. Step 6: Final answer
    x = 12,843.58

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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.