Home / 19,098.30-28,639.35-9,240.60

Finding the Fourth Proportional to 19,098.30, 28,639.35 and 9,240.60

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Solution

The fourth proportional to 19,098.30, 28,639.35 and 9,240.60 is: 13,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.30 : 28,639.35 = 9,240.60 : x
  2. Step 2: Convert to fraction form
    19,098.30/28,639.35 = 9,240.60/x
  3. Step 3: Cross multiply
    19,098.30x = 28,639.35 × 9,240.60
  4. Step 4: Simplify right side
    19,098.30x = 264,644,777.61
  5. Step 5: Solve for x
    x = 264,644,777.61/19,098.30
  6. Step 6: Final answer
    x = 13,856.98

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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.