Home / 13,284.54-19,928.16-4,520.07

Finding the Fourth Proportional to 13,284.54, 19,928.16 and 4,520.07

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Solution

The fourth proportional to 13,284.54, 19,928.16 and 4,520.07 is: 6,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.54 : 19,928.16 = 4,520.07 : x
  2. Step 2: Convert to fraction form
    13,284.54/19,928.16 = 4,520.07/x
  3. Step 3: Cross multiply
    13,284.54x = 19,928.16 × 4,520.07
  4. Step 4: Simplify right side
    13,284.54x = 90,076,678.17
  5. Step 5: Solve for x
    x = 90,076,678.17/13,284.54
  6. Step 6: Final answer
    x = 6,780.56

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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.