Home / 19,619.49-27,075.42-10,667.60

Finding the Fourth Proportional to 19,619.49, 27,075.42 and 10,667.60

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Solution

The fourth proportional to 19,619.49, 27,075.42 and 10,667.60 is: 14,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.49 : 27,075.42 = 10,667.60 : x
  2. Step 2: Convert to fraction form
    19,619.49/27,075.42 = 10,667.60/x
  3. Step 3: Cross multiply
    19,619.49x = 27,075.42 × 10,667.60
  4. Step 4: Simplify right side
    19,619.49x = 288,829,750.39
  5. Step 5: Solve for x
    x = 288,829,750.39/19,619.49
  6. Step 6: Final answer
    x = 14,721.57

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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.