Home / 19,860.16-27,407.08-10,907.84

Finding the Fourth Proportional to 19,860.16, 27,407.08 and 10,907.84

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Solution

The fourth proportional to 19,860.16, 27,407.08 and 10,907.84 is: 15,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.16 : 27,407.08 = 10,907.84 : x
  2. Step 2: Convert to fraction form
    19,860.16/27,407.08 = 10,907.84/x
  3. Step 3: Cross multiply
    19,860.16x = 27,407.08 × 10,907.84
  4. Step 4: Simplify right side
    19,860.16x = 298,952,043.51
  5. Step 5: Solve for x
    x = 298,952,043.51/19,860.16
  6. Step 6: Final answer
    x = 15,052.85

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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.