Home / 9,840.48-13,579.50-5,364.15

Finding the Fourth Proportional to 9,840.48, 13,579.50 and 5,364.15

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Solution

The fourth proportional to 9,840.48, 13,579.50 and 5,364.15 is: 7,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.48 : 13,579.50 = 5,364.15 : x
  2. Step 2: Convert to fraction form
    9,840.48/13,579.50 = 5,364.15/x
  3. Step 3: Cross multiply
    9,840.48x = 13,579.50 × 5,364.15
  4. Step 4: Simplify right side
    9,840.48x = 72,842,474.93
  5. Step 5: Solve for x
    x = 72,842,474.93/9,840.48
  6. Step 6: Final answer
    x = 7,402.33

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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.