Home / 13,962.56-19,271.64-7,997.68

Finding the Fourth Proportional to 13,962.56, 19,271.64 and 7,997.68

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Solution

The fourth proportional to 13,962.56, 19,271.64 and 7,997.68 is: 11,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.56 : 19,271.64 = 7,997.68 : x
  2. Step 2: Convert to fraction form
    13,962.56/19,271.64 = 7,997.68/x
  3. Step 3: Cross multiply
    13,962.56x = 19,271.64 × 7,997.68
  4. Step 4: Simplify right side
    13,962.56x = 154,128,409.80
  5. Step 5: Solve for x
    x = 154,128,409.80/13,962.56
  6. Step 6: Final answer
    x = 11,038.69

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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.