Home / 19,245.60-28,869.40-9,393.28

Finding the Fourth Proportional to 19,245.60, 28,869.40 and 9,393.28

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Solution

The fourth proportional to 19,245.60, 28,869.40 and 9,393.28 is: 14,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.60 : 28,869.40 = 9,393.28 : x
  2. Step 2: Convert to fraction form
    19,245.60/28,869.40 = 9,393.28/x
  3. Step 3: Cross multiply
    19,245.60x = 28,869.40 × 9,393.28
  4. Step 4: Simplify right side
    19,245.60x = 271,178,357.63
  5. Step 5: Solve for x
    x = 271,178,357.63/19,245.60
  6. Step 6: Final answer
    x = 14,090.41

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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.