Home / 13,280.52-19,900.70-9,579.02

Finding the Fourth Proportional to 13,280.52, 19,900.70 and 9,579.02

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Solution

The fourth proportional to 13,280.52, 19,900.70 and 9,579.02 is: 14,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.52 : 19,900.70 = 9,579.02 : x
  2. Step 2: Convert to fraction form
    13,280.52/19,900.70 = 9,579.02/x
  3. Step 3: Cross multiply
    13,280.52x = 19,900.70 × 9,579.02
  4. Step 4: Simplify right side
    13,280.52x = 190,629,155.42
  5. Step 5: Solve for x
    x = 190,629,155.42/13,280.52
  6. Step 6: Final answer
    x = 14,354.04

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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.