Home / 18,904.36-28,356.54-5,053

Finding the Fourth Proportional to 18,904.36, 28,356.54 and 5,053

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Solution

The fourth proportional to 18,904.36, 28,356.54 and 5,053 is: 7,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.36 : 28,356.54 = 5,053 : x
  2. Step 2: Convert to fraction form
    18,904.36/28,356.54 = 5,053/x
  3. Step 3: Cross multiply
    18,904.36x = 28,356.54 × 5,053
  4. Step 4: Simplify right side
    18,904.36x = 143,285,596.62
  5. Step 5: Solve for x
    x = 143,285,596.62/18,904.36
  6. Step 6: Final answer
    x = 7,579.50

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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.