Home / 19,776.15-27,291.10-10,823.65

Finding the Fourth Proportional to 19,776.15, 27,291.10 and 10,823.65

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Solution

The fourth proportional to 19,776.15, 27,291.10 and 10,823.65 is: 14,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.15 : 27,291.10 = 10,823.65 : x
  2. Step 2: Convert to fraction form
    19,776.15/27,291.10 = 10,823.65/x
  3. Step 3: Cross multiply
    19,776.15x = 27,291.10 × 10,823.65
  4. Step 4: Simplify right side
    19,776.15x = 295,389,219.23
  5. Step 5: Solve for x
    x = 295,389,219.23/19,776.15
  6. Step 6: Final answer
    x = 14,936.64

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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.