Home / 8,362.23-12,562.93-7,889.36

Finding the Fourth Proportional to 8,362.23, 12,562.93 and 7,889.36

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Solution

The fourth proportional to 8,362.23, 12,562.93 and 7,889.36 is: 11,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.23 : 12,562.93 = 7,889.36 : x
  2. Step 2: Convert to fraction form
    8,362.23/12,562.93 = 7,889.36/x
  3. Step 3: Cross multiply
    8,362.23x = 12,562.93 × 7,889.36
  4. Step 4: Simplify right side
    8,362.23x = 99,113,477.42
  5. Step 5: Solve for x
    x = 99,113,477.42/8,362.23
  6. Step 6: Final answer
    x = 11,852.52

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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.