Home / 30,141.04-45,216.44-9,369.36

Finding the Fourth Proportional to 30,141.04, 45,216.44 and 9,369.36

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Solution

The fourth proportional to 30,141.04, 45,216.44 and 9,369.36 is: 14,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.04 : 45,216.44 = 9,369.36 : x
  2. Step 2: Convert to fraction form
    30,141.04/45,216.44 = 9,369.36/x
  3. Step 3: Cross multiply
    30,141.04x = 45,216.44 × 9,369.36
  4. Step 4: Simplify right side
    30,141.04x = 423,649,104.28
  5. Step 5: Solve for x
    x = 423,649,104.28/30,141.04
  6. Step 6: Final answer
    x = 14,055.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.