Home / 13,125.60-19,688.40-3,265.04

Finding the Fourth Proportional to 13,125.60, 19,688.40 and 3,265.04

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Solution

The fourth proportional to 13,125.60, 19,688.40 and 3,265.04 is: 4,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.60 : 19,688.40 = 3,265.04 : x
  2. Step 2: Convert to fraction form
    13,125.60/19,688.40 = 3,265.04/x
  3. Step 3: Cross multiply
    13,125.60x = 19,688.40 × 3,265.04
  4. Step 4: Simplify right side
    13,125.60x = 64,283,413.54
  5. Step 5: Solve for x
    x = 64,283,413.54/13,125.60
  6. Step 6: Final answer
    x = 4,897.56

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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.