Home / 13,867.02-20,810.55-5,549.36

Finding the Fourth Proportional to 13,867.02, 20,810.55 and 5,549.36

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Solution

The fourth proportional to 13,867.02, 20,810.55 and 5,549.36 is: 8,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.02 : 20,810.55 = 5,549.36 : x
  2. Step 2: Convert to fraction form
    13,867.02/20,810.55 = 5,549.36/x
  3. Step 3: Cross multiply
    13,867.02x = 20,810.55 × 5,549.36
  4. Step 4: Simplify right side
    13,867.02x = 115,485,220.74
  5. Step 5: Solve for x
    x = 115,485,220.74/13,867.02
  6. Step 6: Final answer
    x = 8,328.05

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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.