Home / 13,774.32-19,008.18-7,486.56

Finding the Fourth Proportional to 13,774.32, 19,008.18 and 7,486.56

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Solution

The fourth proportional to 13,774.32, 19,008.18 and 7,486.56 is: 10,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.32 : 19,008.18 = 7,486.56 : x
  2. Step 2: Convert to fraction form
    13,774.32/19,008.18 = 7,486.56/x
  3. Step 3: Cross multiply
    13,774.32x = 19,008.18 × 7,486.56
  4. Step 4: Simplify right side
    13,774.32x = 142,305,880.06
  5. Step 5: Solve for x
    x = 142,305,880.06/13,774.32
  6. Step 6: Final answer
    x = 10,331.25

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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.