Home / 13,865.77-20,798.93-3,477.25

Finding the Fourth Proportional to 13,865.77, 20,798.93 and 3,477.25

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Solution

The fourth proportional to 13,865.77, 20,798.93 and 3,477.25 is: 5,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.77 : 20,798.93 = 3,477.25 : x
  2. Step 2: Convert to fraction form
    13,865.77/20,798.93 = 3,477.25/x
  3. Step 3: Cross multiply
    13,865.77x = 20,798.93 × 3,477.25
  4. Step 4: Simplify right side
    13,865.77x = 72,323,079.34
  5. Step 5: Solve for x
    x = 72,323,079.34/13,865.77
  6. Step 6: Final answer
    x = 5,215.94

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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.