Home / 11,463.45-15,822.93-7,485.18

Finding the Fourth Proportional to 11,463.45, 15,822.93 and 7,485.18

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Solution

The fourth proportional to 11,463.45, 15,822.93 and 7,485.18 is: 10,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.45 : 15,822.93 = 7,485.18 : x
  2. Step 2: Convert to fraction form
    11,463.45/15,822.93 = 7,485.18/x
  3. Step 3: Cross multiply
    11,463.45x = 15,822.93 × 7,485.18
  4. Step 4: Simplify right side
    11,463.45x = 118,437,479.18
  5. Step 5: Solve for x
    x = 118,437,479.18/11,463.45
  6. Step 6: Final answer
    x = 10,331.75

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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.