Home / 9,623.28-13,280-5,374.64

Finding the Fourth Proportional to 9,623.28, 13,280 and 5,374.64

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Solution

The fourth proportional to 9,623.28, 13,280 and 5,374.64 is: 7,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.28 : 13,280 = 5,374.64 : x
  2. Step 2: Convert to fraction form
    9,623.28/13,280 = 5,374.64/x
  3. Step 3: Cross multiply
    9,623.28x = 13,280 × 5,374.64
  4. Step 4: Simplify right side
    9,623.28x = 71,375,219.20
  5. Step 5: Solve for x
    x = 71,375,219.20/9,623.28
  6. Step 6: Final answer
    x = 7,416.93

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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.