Home / 9,783.06-14,675.75-3,117.21

Finding the Fourth Proportional to 9,783.06, 14,675.75 and 3,117.21

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Solution

The fourth proportional to 9,783.06, 14,675.75 and 3,117.21 is: 4,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.06 : 14,675.75 = 3,117.21 : x
  2. Step 2: Convert to fraction form
    9,783.06/14,675.75 = 3,117.21/x
  3. Step 3: Cross multiply
    9,783.06x = 14,675.75 × 3,117.21
  4. Step 4: Simplify right side
    9,783.06x = 45,747,379.07
  5. Step 5: Solve for x
    x = 45,747,379.07/9,783.06
  6. Step 6: Final answer
    x = 4,676.18

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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.