Home / 14,745.29-20,312.75-10,961.91

Finding the Fourth Proportional to 14,745.29, 20,312.75 and 10,961.91

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Solution

The fourth proportional to 14,745.29, 20,312.75 and 10,961.91 is: 15,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.29 : 20,312.75 = 10,961.91 : x
  2. Step 2: Convert to fraction form
    14,745.29/20,312.75 = 10,961.91/x
  3. Step 3: Cross multiply
    14,745.29x = 20,312.75 × 10,961.91
  4. Step 4: Simplify right side
    14,745.29x = 222,666,482.54
  5. Step 5: Solve for x
    x = 222,666,482.54/14,745.29
  6. Step 6: Final answer
    x = 15,100.86

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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.