Home / 13,774.07-19,008.10-7,486.45

Finding the Fourth Proportional to 13,774.07, 19,008.10 and 7,486.45

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Solution

The fourth proportional to 13,774.07, 19,008.10 and 7,486.45 is: 10,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.07 : 19,008.10 = 7,486.45 : x
  2. Step 2: Convert to fraction form
    13,774.07/19,008.10 = 7,486.45/x
  3. Step 3: Cross multiply
    13,774.07x = 19,008.10 × 7,486.45
  4. Step 4: Simplify right side
    13,774.07x = 142,303,190.25
  5. Step 5: Solve for x
    x = 142,303,190.25/13,774.07
  6. Step 6: Final answer
    x = 10,331.24

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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.