Home / 9,979.30-14,970.57-4,434.58

Finding the Fourth Proportional to 9,979.30, 14,970.57 and 4,434.58

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Solution

The fourth proportional to 9,979.30, 14,970.57 and 4,434.58 is: 6,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.30 : 14,970.57 = 4,434.58 : x
  2. Step 2: Convert to fraction form
    9,979.30/14,970.57 = 4,434.58/x
  3. Step 3: Cross multiply
    9,979.30x = 14,970.57 × 4,434.58
  4. Step 4: Simplify right side
    9,979.30x = 66,388,190.31
  5. Step 5: Solve for x
    x = 66,388,190.31/9,979.30
  6. Step 6: Final answer
    x = 6,652.59

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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.