Home / 19,807.12-27,333.81-10,855.18

Finding the Fourth Proportional to 19,807.12, 27,333.81 and 10,855.18

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Solution

The fourth proportional to 19,807.12, 27,333.81 and 10,855.18 is: 14,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.12 : 27,333.81 = 10,855.18 : x
  2. Step 2: Convert to fraction form
    19,807.12/27,333.81 = 10,855.18/x
  3. Step 3: Cross multiply
    19,807.12x = 27,333.81 × 10,855.18
  4. Step 4: Simplify right side
    19,807.12x = 296,713,427.64
  5. Step 5: Solve for x
    x = 296,713,427.64/19,807.12
  6. Step 6: Final answer
    x = 14,980.14

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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.