Home / 9,623.76-13,278.60-5,430.48

Finding the Fourth Proportional to 9,623.76, 13,278.60 and 5,430.48

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Solution

The fourth proportional to 9,623.76, 13,278.60 and 5,430.48 is: 7,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.76 : 13,278.60 = 5,430.48 : x
  2. Step 2: Convert to fraction form
    9,623.76/13,278.60 = 5,430.48/x
  3. Step 3: Cross multiply
    9,623.76x = 13,278.60 × 5,430.48
  4. Step 4: Simplify right side
    9,623.76x = 72,109,171.73
  5. Step 5: Solve for x
    x = 72,109,171.73/9,623.76
  6. Step 6: Final answer
    x = 7,492.83

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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.