Home / 9,786.34-14,679.10-4,519.61

Finding the Fourth Proportional to 9,786.34, 14,679.10 and 4,519.61

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Solution

The fourth proportional to 9,786.34, 14,679.10 and 4,519.61 is: 6,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.34 : 14,679.10 = 4,519.61 : x
  2. Step 2: Convert to fraction form
    9,786.34/14,679.10 = 4,519.61/x
  3. Step 3: Cross multiply
    9,786.34x = 14,679.10 × 4,519.61
  4. Step 4: Simplify right side
    9,786.34x = 66,343,807.15
  5. Step 5: Solve for x
    x = 66,343,807.15/9,786.34
  6. Step 6: Final answer
    x = 6,779.23

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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.