Home / 18,303.44-27,455.56-5,155.52

Finding the Fourth Proportional to 18,303.44, 27,455.56 and 5,155.52

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Solution

The fourth proportional to 18,303.44, 27,455.56 and 5,155.52 is: 7,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.44 : 27,455.56 = 5,155.52 : x
  2. Step 2: Convert to fraction form
    18,303.44/27,455.56 = 5,155.52/x
  3. Step 3: Cross multiply
    18,303.44x = 27,455.56 × 5,155.52
  4. Step 4: Simplify right side
    18,303.44x = 141,547,538.52
  5. Step 5: Solve for x
    x = 141,547,538.52/18,303.44
  6. Step 6: Final answer
    x = 7,733.39

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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.