Home / 9,664.80-13,338.12-5,416.24

Finding the Fourth Proportional to 9,664.80, 13,338.12 and 5,416.24

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Solution

The fourth proportional to 9,664.80, 13,338.12 and 5,416.24 is: 7,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.80 : 13,338.12 = 5,416.24 : x
  2. Step 2: Convert to fraction form
    9,664.80/13,338.12 = 5,416.24/x
  3. Step 3: Cross multiply
    9,664.80x = 13,338.12 × 5,416.24
  4. Step 4: Simplify right side
    9,664.80x = 72,242,459.07
  5. Step 5: Solve for x
    x = 72,242,459.07/9,664.80
  6. Step 6: Final answer
    x = 7,474.80

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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.