Home / 18,744.42-28,102.74-11,347.13

Finding the Fourth Proportional to 18,744.42, 28,102.74 and 11,347.13

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Solution

The fourth proportional to 18,744.42, 28,102.74 and 11,347.13 is: 17,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.42 : 28,102.74 = 11,347.13 : x
  2. Step 2: Convert to fraction form
    18,744.42/28,102.74 = 11,347.13/x
  3. Step 3: Cross multiply
    18,744.42x = 28,102.74 × 11,347.13
  4. Step 4: Simplify right side
    18,744.42x = 318,885,345.51
  5. Step 5: Solve for x
    x = 318,885,345.51/18,744.42
  6. Step 6: Final answer
    x = 17,012.28

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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.