Home / 12,197.34-18,289.47-3,875.10

Finding the Fourth Proportional to 12,197.34, 18,289.47 and 3,875.10

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Solution

The fourth proportional to 12,197.34, 18,289.47 and 3,875.10 is: 5,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.34 : 18,289.47 = 3,875.10 : x
  2. Step 2: Convert to fraction form
    12,197.34/18,289.47 = 3,875.10/x
  3. Step 3: Cross multiply
    12,197.34x = 18,289.47 × 3,875.10
  4. Step 4: Simplify right side
    12,197.34x = 70,873,525.20
  5. Step 5: Solve for x
    x = 70,873,525.20/12,197.34
  6. Step 6: Final answer
    x = 5,810.57

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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.