Home / 9,979.04-14,972.26-4,983.60

Finding the Fourth Proportional to 9,979.04, 14,972.26 and 4,983.60

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Solution

The fourth proportional to 9,979.04, 14,972.26 and 4,983.60 is: 7,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.04 : 14,972.26 = 4,983.60 : x
  2. Step 2: Convert to fraction form
    9,979.04/14,972.26 = 4,983.60/x
  3. Step 3: Cross multiply
    9,979.04x = 14,972.26 × 4,983.60
  4. Step 4: Simplify right side
    9,979.04x = 74,615,754.94
  5. Step 5: Solve for x
    x = 74,615,754.94/9,979.04
  6. Step 6: Final answer
    x = 7,477.25

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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.