Home / 13,698.01-18,903.11-7,410.25

Finding the Fourth Proportional to 13,698.01, 18,903.11 and 7,410.25

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Solution

The fourth proportional to 13,698.01, 18,903.11 and 7,410.25 is: 10,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.01 : 18,903.11 = 7,410.25 : x
  2. Step 2: Convert to fraction form
    13,698.01/18,903.11 = 7,410.25/x
  3. Step 3: Cross multiply
    13,698.01x = 18,903.11 × 7,410.25
  4. Step 4: Simplify right side
    13,698.01x = 140,076,694.89
  5. Step 5: Solve for x
    x = 140,076,694.89/13,698.01
  6. Step 6: Final answer
    x = 10,226.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.