Home / 19,893.60-29,840.40-9,357.07

Finding the Fourth Proportional to 19,893.60, 29,840.40 and 9,357.07

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Solution

The fourth proportional to 19,893.60, 29,840.40 and 9,357.07 is: 14,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.60 : 29,840.40 = 9,357.07 : x
  2. Step 2: Convert to fraction form
    19,893.60/29,840.40 = 9,357.07/x
  3. Step 3: Cross multiply
    19,893.60x = 29,840.40 × 9,357.07
  4. Step 4: Simplify right side
    19,893.60x = 279,218,711.63
  5. Step 5: Solve for x
    x = 279,218,711.63/19,893.60
  6. Step 6: Final answer
    x = 14,035.61

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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.