Home / 19,683.63-27,164.26-10,731.65

Finding the Fourth Proportional to 19,683.63, 27,164.26 and 10,731.65

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Solution

The fourth proportional to 19,683.63, 27,164.26 and 10,731.65 is: 14,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.63 : 27,164.26 = 10,731.65 : x
  2. Step 2: Convert to fraction form
    19,683.63/27,164.26 = 10,731.65/x
  3. Step 3: Cross multiply
    19,683.63x = 27,164.26 × 10,731.65
  4. Step 4: Simplify right side
    19,683.63x = 291,517,208.42
  5. Step 5: Solve for x
    x = 291,517,208.42/19,683.63
  6. Step 6: Final answer
    x = 14,810.13

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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.