Home / 13,777.48-20,667.84-4,417.93

Finding the Fourth Proportional to 13,777.48, 20,667.84 and 4,417.93

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Solution

The fourth proportional to 13,777.48, 20,667.84 and 4,417.93 is: 6,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.48 : 20,667.84 = 4,417.93 : x
  2. Step 2: Convert to fraction form
    13,777.48/20,667.84 = 4,417.93/x
  3. Step 3: Cross multiply
    13,777.48x = 20,667.84 × 4,417.93
  4. Step 4: Simplify right side
    13,777.48x = 91,309,070.37
  5. Step 5: Solve for x
    x = 91,309,070.37/13,777.48
  6. Step 6: Final answer
    x = 6,627.41

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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.