Home / 14,845.72-22,271.28-7,455.28

Finding the Fourth Proportional to 14,845.72, 22,271.28 and 7,455.28

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Solution

The fourth proportional to 14,845.72, 22,271.28 and 7,455.28 is: 11,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.72 : 22,271.28 = 7,455.28 : x
  2. Step 2: Convert to fraction form
    14,845.72/22,271.28 = 7,455.28/x
  3. Step 3: Cross multiply
    14,845.72x = 22,271.28 × 7,455.28
  4. Step 4: Simplify right side
    14,845.72x = 166,038,628.36
  5. Step 5: Solve for x
    x = 166,038,628.36/14,845.72
  6. Step 6: Final answer
    x = 11,184.28

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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.