Home / 30,209.76-45,334.80-11,507.04

Finding the Fourth Proportional to 30,209.76, 45,334.80 and 11,507.04

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Solution

The fourth proportional to 30,209.76, 45,334.80 and 11,507.04 is: 17,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.76 : 45,334.80 = 11,507.04 : x
  2. Step 2: Convert to fraction form
    30,209.76/45,334.80 = 11,507.04/x
  3. Step 3: Cross multiply
    30,209.76x = 45,334.80 × 11,507.04
  4. Step 4: Simplify right side
    30,209.76x = 521,669,356.99
  5. Step 5: Solve for x
    x = 521,669,356.99/30,209.76
  6. Step 6: Final answer
    x = 17,268.24

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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.