Home / 13,285.08-19,884.35-9,774.20

Finding the Fourth Proportional to 13,285.08, 19,884.35 and 9,774.20

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Solution

The fourth proportional to 13,285.08, 19,884.35 and 9,774.20 is: 14,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.08 : 19,884.35 = 9,774.20 : x
  2. Step 2: Convert to fraction form
    13,285.08/19,884.35 = 9,774.20/x
  3. Step 3: Cross multiply
    13,285.08x = 19,884.35 × 9,774.20
  4. Step 4: Simplify right side
    13,285.08x = 194,353,687.92
  5. Step 5: Solve for x
    x = 194,353,687.92/13,285.08
  6. Step 6: Final answer
    x = 14,629.47

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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.