Home / 9,619.44-13,266.72-7,386.72

Finding the Fourth Proportional to 9,619.44, 13,266.72 and 7,386.72

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Solution

The fourth proportional to 9,619.44, 13,266.72 and 7,386.72 is: 10,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.44 : 13,266.72 = 7,386.72 : x
  2. Step 2: Convert to fraction form
    9,619.44/13,266.72 = 7,386.72/x
  3. Step 3: Cross multiply
    9,619.44x = 13,266.72 × 7,386.72
  4. Step 4: Simplify right side
    9,619.44x = 97,997,545.96
  5. Step 5: Solve for x
    x = 97,997,545.96/9,619.44
  6. Step 6: Final answer
    x = 10,187.45

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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.