Home / 9,678.31-14,518.77-3,755.05

Finding the Fourth Proportional to 9,678.31, 14,518.77 and 3,755.05

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Solution

The fourth proportional to 9,678.31, 14,518.77 and 3,755.05 is: 5,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.31 : 14,518.77 = 3,755.05 : x
  2. Step 2: Convert to fraction form
    9,678.31/14,518.77 = 3,755.05/x
  3. Step 3: Cross multiply
    9,678.31x = 14,518.77 × 3,755.05
  4. Step 4: Simplify right side
    9,678.31x = 54,518,707.29
  5. Step 5: Solve for x
    x = 54,518,707.29/9,678.31
  6. Step 6: Final answer
    x = 5,633.08

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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.