Home / 12,840.94-19,256.55-5,045.50

Finding the Fourth Proportional to 12,840.94, 19,256.55 and 5,045.50

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Solution

The fourth proportional to 12,840.94, 19,256.55 and 5,045.50 is: 7,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840.94 : 19,256.55 = 5,045.50 : x
  2. Step 2: Convert to fraction form
    12,840.94/19,256.55 = 5,045.50/x
  3. Step 3: Cross multiply
    12,840.94x = 19,256.55 × 5,045.50
  4. Step 4: Simplify right side
    12,840.94x = 97,158,923.03
  5. Step 5: Solve for x
    x = 97,158,923.03/12,840.94
  6. Step 6: Final answer
    x = 7,566.34

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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.