Home / 14,176.52-19,564.36-7,889.03

Finding the Fourth Proportional to 14,176.52, 19,564.36 and 7,889.03

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Solution

The fourth proportional to 14,176.52, 19,564.36 and 7,889.03 is: 10,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.52 : 19,564.36 = 7,889.03 : x
  2. Step 2: Convert to fraction form
    14,176.52/19,564.36 = 7,889.03/x
  3. Step 3: Cross multiply
    14,176.52x = 19,564.36 × 7,889.03
  4. Step 4: Simplify right side
    14,176.52x = 154,343,705.43
  5. Step 5: Solve for x
    x = 154,343,705.43/14,176.52
  6. Step 6: Final answer
    x = 10,887.28

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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.