Home / 13,671.79-20,501.91-5,777.93

Finding the Fourth Proportional to 13,671.79, 20,501.91 and 5,777.93

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Solution

The fourth proportional to 13,671.79, 20,501.91 and 5,777.93 is: 8,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.79 : 20,501.91 = 5,777.93 : x
  2. Step 2: Convert to fraction form
    13,671.79/20,501.91 = 5,777.93/x
  3. Step 3: Cross multiply
    13,671.79x = 20,501.91 × 5,777.93
  4. Step 4: Simplify right side
    13,671.79x = 118,458,652.10
  5. Step 5: Solve for x
    x = 118,458,652.10/13,671.79
  6. Step 6: Final answer
    x = 8,664.46

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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.