Home / 13,990.49-20,985.74-9,594.62

Finding the Fourth Proportional to 13,990.49, 20,985.74 and 9,594.62

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Solution

The fourth proportional to 13,990.49, 20,985.74 and 9,594.62 is: 14,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.49 : 20,985.74 = 9,594.62 : x
  2. Step 2: Convert to fraction form
    13,990.49/20,985.74 = 9,594.62/x
  3. Step 3: Cross multiply
    13,990.49x = 20,985.74 × 9,594.62
  4. Step 4: Simplify right side
    13,990.49x = 201,350,241.19
  5. Step 5: Solve for x
    x = 201,350,241.19/13,990.49
  6. Step 6: Final answer
    x = 14,391.93

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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.