Home / 19,619.64-27,075.08-10,667.12

Finding the Fourth Proportional to 19,619.64, 27,075.08 and 10,667.12

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Solution

The fourth proportional to 19,619.64, 27,075.08 and 10,667.12 is: 14,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.64 : 27,075.08 = 10,667.12 : x
  2. Step 2: Convert to fraction form
    19,619.64/27,075.08 = 10,667.12/x
  3. Step 3: Cross multiply
    19,619.64x = 27,075.08 × 10,667.12
  4. Step 4: Simplify right side
    19,619.64x = 288,813,127.37
  5. Step 5: Solve for x
    x = 288,813,127.37/19,619.64
  6. Step 6: Final answer
    x = 14,720.61

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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.