Home / 9,618.72-14,429.84-2,955.08

Finding the Fourth Proportional to 9,618.72, 14,429.84 and 2,955.08

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Solution

The fourth proportional to 9,618.72, 14,429.84 and 2,955.08 is: 4,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.72 : 14,429.84 = 2,955.08 : x
  2. Step 2: Convert to fraction form
    9,618.72/14,429.84 = 2,955.08/x
  3. Step 3: Cross multiply
    9,618.72x = 14,429.84 × 2,955.08
  4. Step 4: Simplify right side
    9,618.72x = 42,641,244.66
  5. Step 5: Solve for x
    x = 42,641,244.66/9,618.72
  6. Step 6: Final answer
    x = 4,433.15

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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.