Home / 13,037.60-19,556.40-8,890.40

Finding the Fourth Proportional to 13,037.60, 19,556.40 and 8,890.40

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Solution

The fourth proportional to 13,037.60, 19,556.40 and 8,890.40 is: 13,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.60 : 19,556.40 = 8,890.40 : x
  2. Step 2: Convert to fraction form
    13,037.60/19,556.40 = 8,890.40/x
  3. Step 3: Cross multiply
    13,037.60x = 19,556.40 × 8,890.40
  4. Step 4: Simplify right side
    13,037.60x = 173,864,218.56
  5. Step 5: Solve for x
    x = 173,864,218.56/13,037.60
  6. Step 6: Final answer
    x = 13,335.60

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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.