Home / 10,010.81-13,814.89-5,534.51

Finding the Fourth Proportional to 10,010.81, 13,814.89 and 5,534.51

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Solution

The fourth proportional to 10,010.81, 13,814.89 and 5,534.51 is: 7,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.81 : 13,814.89 = 5,534.51 : x
  2. Step 2: Convert to fraction form
    10,010.81/13,814.89 = 5,534.51/x
  3. Step 3: Cross multiply
    10,010.81x = 13,814.89 × 5,534.51
  4. Step 4: Simplify right side
    10,010.81x = 76,458,646.85
  5. Step 5: Solve for x
    x = 76,458,646.85/10,010.81
  6. Step 6: Final answer
    x = 7,637.61

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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.