Home / 19,477.60-29,216.40-11,285.60

Finding the Fourth Proportional to 19,477.60, 29,216.40 and 11,285.60

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Solution

The fourth proportional to 19,477.60, 29,216.40 and 11,285.60 is: 16,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.60 : 29,216.40 = 11,285.60 : x
  2. Step 2: Convert to fraction form
    19,477.60/29,216.40 = 11,285.60/x
  3. Step 3: Cross multiply
    19,477.60x = 29,216.40 × 11,285.60
  4. Step 4: Simplify right side
    19,477.60x = 329,724,603.84
  5. Step 5: Solve for x
    x = 329,724,603.84/19,477.60
  6. Step 6: Final answer
    x = 16,928.40

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Similar ratio
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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.