Home / 9,427.06-14,139.28-5,218.12

Finding the Fourth Proportional to 9,427.06, 14,139.28 and 5,218.12

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Solution

The fourth proportional to 9,427.06, 14,139.28 and 5,218.12 is: 7,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.06 : 14,139.28 = 5,218.12 : x
  2. Step 2: Convert to fraction form
    9,427.06/14,139.28 = 5,218.12/x
  3. Step 3: Cross multiply
    9,427.06x = 14,139.28 × 5,218.12
  4. Step 4: Simplify right side
    9,427.06x = 73,780,362.97
  5. Step 5: Solve for x
    x = 73,780,362.97/9,427.06
  6. Step 6: Final answer
    x = 7,826.45

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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.