Home / 19,341.72-29,015.34-7,338.28

Finding the Fourth Proportional to 19,341.72, 29,015.34 and 7,338.28

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Solution

The fourth proportional to 19,341.72, 29,015.34 and 7,338.28 is: 11,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.72 : 29,015.34 = 7,338.28 : x
  2. Step 2: Convert to fraction form
    19,341.72/29,015.34 = 7,338.28/x
  3. Step 3: Cross multiply
    19,341.72x = 29,015.34 × 7,338.28
  4. Step 4: Simplify right side
    19,341.72x = 212,922,689.22
  5. Step 5: Solve for x
    x = 212,922,689.22/19,341.72
  6. Step 6: Final answer
    x = 11,008.47

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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.