Home / 19,485.60-29,228.40-6,339.30

Finding the Fourth Proportional to 19,485.60, 29,228.40 and 6,339.30

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Solution

The fourth proportional to 19,485.60, 29,228.40 and 6,339.30 is: 9,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.60 : 29,228.40 = 6,339.30 : x
  2. Step 2: Convert to fraction form
    19,485.60/29,228.40 = 6,339.30/x
  3. Step 3: Cross multiply
    19,485.60x = 29,228.40 × 6,339.30
  4. Step 4: Simplify right side
    19,485.60x = 185,287,596.12
  5. Step 5: Solve for x
    x = 185,287,596.12/19,485.60
  6. Step 6: Final answer
    x = 9,508.95

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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.