Home / 9,079.70-13,603.35-7,427.30

Finding the Fourth Proportional to 9,079.70, 13,603.35 and 7,427.30

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Solution

The fourth proportional to 9,079.70, 13,603.35 and 7,427.30 is: 11,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.70 : 13,603.35 = 7,427.30 : x
  2. Step 2: Convert to fraction form
    9,079.70/13,603.35 = 7,427.30/x
  3. Step 3: Cross multiply
    9,079.70x = 13,603.35 × 7,427.30
  4. Step 4: Simplify right side
    9,079.70x = 101,036,161.46
  5. Step 5: Solve for x
    x = 101,036,161.46/9,079.70
  6. Step 6: Final answer
    x = 11,127.70

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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.