Home / 9,975.04-13,765.44-5,783.68

Finding the Fourth Proportional to 9,975.04, 13,765.44 and 5,783.68

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Solution

The fourth proportional to 9,975.04, 13,765.44 and 5,783.68 is: 7,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.04 : 13,765.44 = 5,783.68 : x
  2. Step 2: Convert to fraction form
    9,975.04/13,765.44 = 5,783.68/x
  3. Step 3: Cross multiply
    9,975.04x = 13,765.44 × 5,783.68
  4. Step 4: Simplify right side
    9,975.04x = 79,614,900.02
  5. Step 5: Solve for x
    x = 79,614,900.02/9,975.04
  6. Step 6: Final answer
    x = 7,981.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.