Home / 9,114.93-13,648.73-7,807.10

Finding the Fourth Proportional to 9,114.93, 13,648.73 and 7,807.10

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Solution

The fourth proportional to 9,114.93, 13,648.73 and 7,807.10 is: 11,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.93 : 13,648.73 = 7,807.10 : x
  2. Step 2: Convert to fraction form
    9,114.93/13,648.73 = 7,807.10/x
  3. Step 3: Cross multiply
    9,114.93x = 13,648.73 × 7,807.10
  4. Step 4: Simplify right side
    9,114.93x = 106,556,999.98
  5. Step 5: Solve for x
    x = 106,556,999.98/9,114.93
  6. Step 6: Final answer
    x = 11,690.38

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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.