Home / 12,518.79-18,767.24-6,270.05

Finding the Fourth Proportional to 12,518.79, 18,767.24 and 6,270.05

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Solution

The fourth proportional to 12,518.79, 18,767.24 and 6,270.05 is: 9,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.79 : 18,767.24 = 6,270.05 : x
  2. Step 2: Convert to fraction form
    12,518.79/18,767.24 = 6,270.05/x
  3. Step 3: Cross multiply
    12,518.79x = 18,767.24 × 6,270.05
  4. Step 4: Simplify right side
    12,518.79x = 117,671,407.98
  5. Step 5: Solve for x
    x = 117,671,407.98/12,518.79
  6. Step 6: Final answer
    x = 9,399.58

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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.