Home / 13,693.04-20,539.56-10,577.60

Finding the Fourth Proportional to 13,693.04, 20,539.56 and 10,577.60

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Solution

The fourth proportional to 13,693.04, 20,539.56 and 10,577.60 is: 15,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.04 : 20,539.56 = 10,577.60 : x
  2. Step 2: Convert to fraction form
    13,693.04/20,539.56 = 10,577.60/x
  3. Step 3: Cross multiply
    13,693.04x = 20,539.56 × 10,577.60
  4. Step 4: Simplify right side
    13,693.04x = 217,259,249.86
  5. Step 5: Solve for x
    x = 217,259,249.86/13,693.04
  6. Step 6: Final answer
    x = 15,866.40

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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.