Home / 30,373.83-45,563.57-11,393.40

Finding the Fourth Proportional to 30,373.83, 45,563.57 and 11,393.40

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Solution

The fourth proportional to 30,373.83, 45,563.57 and 11,393.40 is: 17,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.83 : 45,563.57 = 11,393.40 : x
  2. Step 2: Convert to fraction form
    30,373.83/45,563.57 = 11,393.40/x
  3. Step 3: Cross multiply
    30,373.83x = 45,563.57 × 11,393.40
  4. Step 4: Simplify right side
    30,373.83x = 519,123,978.44
  5. Step 5: Solve for x
    x = 519,123,978.44/30,373.83
  6. Step 6: Final answer
    x = 17,091.16

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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.