Home / 9,765.09-14,643.90-4,217.99

Finding the Fourth Proportional to 9,765.09, 14,643.90 and 4,217.99

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Solution

The fourth proportional to 9,765.09, 14,643.90 and 4,217.99 is: 6,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.09 : 14,643.90 = 4,217.99 : x
  2. Step 2: Convert to fraction form
    9,765.09/14,643.90 = 4,217.99/x
  3. Step 3: Cross multiply
    9,765.09x = 14,643.90 × 4,217.99
  4. Step 4: Simplify right side
    9,765.09x = 61,767,750.54
  5. Step 5: Solve for x
    x = 61,767,750.54/9,765.09
  6. Step 6: Final answer
    x = 6,325.36

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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.