Home / 12,758.52-19,130.28-4,958.16

Finding the Fourth Proportional to 12,758.52, 19,130.28 and 4,958.16

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Solution

The fourth proportional to 12,758.52, 19,130.28 and 4,958.16 is: 7,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.52 : 19,130.28 = 4,958.16 : x
  2. Step 2: Convert to fraction form
    12,758.52/19,130.28 = 4,958.16/x
  3. Step 3: Cross multiply
    12,758.52x = 19,130.28 × 4,958.16
  4. Step 4: Simplify right side
    12,758.52x = 94,850,989.08
  5. Step 5: Solve for x
    x = 94,850,989.08/12,758.52
  6. Step 6: Final answer
    x = 7,434.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.