Home / 20,537.37-28,341.57-11,105.93

Finding the Fourth Proportional to 20,537.37, 28,341.57 and 11,105.93

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Solution

The fourth proportional to 20,537.37, 28,341.57 and 11,105.93 is: 15,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.37 : 28,341.57 = 11,105.93 : x
  2. Step 2: Convert to fraction form
    20,537.37/28,341.57 = 11,105.93/x
  3. Step 3: Cross multiply
    20,537.37x = 28,341.57 × 11,105.93
  4. Step 4: Simplify right side
    20,537.37x = 314,759,492.51
  5. Step 5: Solve for x
    x = 314,759,492.51/20,537.37
  6. Step 6: Final answer
    x = 15,326.18

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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.