Home / 9,788.74-14,681.58-3,214.87

Finding the Fourth Proportional to 9,788.74, 14,681.58 and 3,214.87

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Solution

The fourth proportional to 9,788.74, 14,681.58 and 3,214.87 is: 4,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.74 : 14,681.58 = 3,214.87 : x
  2. Step 2: Convert to fraction form
    9,788.74/14,681.58 = 3,214.87/x
  3. Step 3: Cross multiply
    9,788.74x = 14,681.58 × 3,214.87
  4. Step 4: Simplify right side
    9,788.74x = 47,199,371.09
  5. Step 5: Solve for x
    x = 47,199,371.09/9,788.74
  6. Step 6: Final answer
    x = 4,821.80

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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.