Home / 9,623.42-13,280.07-5,431.64

Finding the Fourth Proportional to 9,623.42, 13,280.07 and 5,431.64

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Solution

The fourth proportional to 9,623.42, 13,280.07 and 5,431.64 is: 7,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.42 : 13,280.07 = 5,431.64 : x
  2. Step 2: Convert to fraction form
    9,623.42/13,280.07 = 5,431.64/x
  3. Step 3: Cross multiply
    9,623.42x = 13,280.07 × 5,431.64
  4. Step 4: Simplify right side
    9,623.42x = 72,132,559.41
  5. Step 5: Solve for x
    x = 72,132,559.41/9,623.42
  6. Step 6: Final answer
    x = 7,495.52

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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.