Home / 13,280.69-19,924.46-4,960.77

Finding the Fourth Proportional to 13,280.69, 19,924.46 and 4,960.77

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Solution

The fourth proportional to 13,280.69, 19,924.46 and 4,960.77 is: 7,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.69 : 19,924.46 = 4,960.77 : x
  2. Step 2: Convert to fraction form
    13,280.69/19,924.46 = 4,960.77/x
  3. Step 3: Cross multiply
    13,280.69x = 19,924.46 × 4,960.77
  4. Step 4: Simplify right side
    13,280.69x = 98,840,638.63
  5. Step 5: Solve for x
    x = 98,840,638.63/13,280.69
  6. Step 6: Final answer
    x = 7,442.44

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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.