Home / 12,435.86-18,653.16-4,644.06

Finding the Fourth Proportional to 12,435.86, 18,653.16 and 4,644.06

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Solution

The fourth proportional to 12,435.86, 18,653.16 and 4,644.06 is: 6,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.86 : 18,653.16 = 4,644.06 : x
  2. Step 2: Convert to fraction form
    12,435.86/18,653.16 = 4,644.06/x
  3. Step 3: Cross multiply
    12,435.86x = 18,653.16 × 4,644.06
  4. Step 4: Simplify right side
    12,435.86x = 86,626,394.23
  5. Step 5: Solve for x
    x = 86,626,394.23/12,435.86
  6. Step 6: Final answer
    x = 6,965.85

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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.