Home / 19,807.10-27,334.43-10,855.14

Finding the Fourth Proportional to 19,807.10, 27,334.43 and 10,855.14

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Solution

The fourth proportional to 19,807.10, 27,334.43 and 10,855.14 is: 14,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.10 : 27,334.43 = 10,855.14 : x
  2. Step 2: Convert to fraction form
    19,807.10/27,334.43 = 10,855.14/x
  3. Step 3: Cross multiply
    19,807.10x = 27,334.43 × 10,855.14
  4. Step 4: Simplify right side
    19,807.10x = 296,719,112.70
  5. Step 5: Solve for x
    x = 296,719,112.70/19,807.10
  6. Step 6: Final answer
    x = 14,980.45

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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.