Home / 9,750.18-13,455.23-5,273.93

Finding the Fourth Proportional to 9,750.18, 13,455.23 and 5,273.93

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Solution

The fourth proportional to 9,750.18, 13,455.23 and 5,273.93 is: 7,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.18 : 13,455.23 = 5,273.93 : x
  2. Step 2: Convert to fraction form
    9,750.18/13,455.23 = 5,273.93/x
  3. Step 3: Cross multiply
    9,750.18x = 13,455.23 × 5,273.93
  4. Step 4: Simplify right side
    9,750.18x = 70,961,978.09
  5. Step 5: Solve for x
    x = 70,961,978.09/9,750.18
  6. Step 6: Final answer
    x = 7,278.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.