Home / 9,429.72-14,146.84-6,661.80

Finding the Fourth Proportional to 9,429.72, 14,146.84 and 6,661.80

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Solution

The fourth proportional to 9,429.72, 14,146.84 and 6,661.80 is: 9,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.72 : 14,146.84 = 6,661.80 : x
  2. Step 2: Convert to fraction form
    9,429.72/14,146.84 = 6,661.80/x
  3. Step 3: Cross multiply
    9,429.72x = 14,146.84 × 6,661.80
  4. Step 4: Simplify right side
    9,429.72x = 94,243,418.71
  5. Step 5: Solve for x
    x = 94,243,418.71/9,429.72
  6. Step 6: Final answer
    x = 9,994.30

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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.