Home / 14,077.49-21,111.96-7,410.38

Finding the Fourth Proportional to 14,077.49, 21,111.96 and 7,410.38

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Solution

The fourth proportional to 14,077.49, 21,111.96 and 7,410.38 is: 11,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.49 : 21,111.96 = 7,410.38 : x
  2. Step 2: Convert to fraction form
    14,077.49/21,111.96 = 7,410.38/x
  3. Step 3: Cross multiply
    14,077.49x = 21,111.96 × 7,410.38
  4. Step 4: Simplify right side
    14,077.49x = 156,447,646.14
  5. Step 5: Solve for x
    x = 156,447,646.14/14,077.49
  6. Step 6: Final answer
    x = 11,113.32

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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.