Home / 19,619.98-27,075.64-10,667.52

Finding the Fourth Proportional to 19,619.98, 27,075.64 and 10,667.52

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Solution

The fourth proportional to 19,619.98, 27,075.64 and 10,667.52 is: 14,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.98 : 27,075.64 = 10,667.52 : x
  2. Step 2: Convert to fraction form
    19,619.98/27,075.64 = 10,667.52/x
  3. Step 3: Cross multiply
    19,619.98x = 27,075.64 × 10,667.52
  4. Step 4: Simplify right side
    19,619.98x = 288,829,931.21
  5. Step 5: Solve for x
    x = 288,829,931.21/19,619.98
  6. Step 6: Final answer
    x = 14,721.21

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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.