Home / 12,254.84-18,385.06-9,765.40

Finding the Fourth Proportional to 12,254.84, 18,385.06 and 9,765.40

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Solution

The fourth proportional to 12,254.84, 18,385.06 and 9,765.40 is: 14,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.84 : 18,385.06 = 9,765.40 : x
  2. Step 2: Convert to fraction form
    12,254.84/18,385.06 = 9,765.40/x
  3. Step 3: Cross multiply
    12,254.84x = 18,385.06 × 9,765.40
  4. Step 4: Simplify right side
    12,254.84x = 179,537,464.92
  5. Step 5: Solve for x
    x = 179,537,464.92/12,254.84
  6. Step 6: Final answer
    x = 14,650.33

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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.