Home / 19,830.08-27,364.74-10,876.88

Finding the Fourth Proportional to 19,830.08, 27,364.74 and 10,876.88

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Solution

The fourth proportional to 19,830.08, 27,364.74 and 10,876.88 is: 15,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.08 : 27,364.74 = 10,876.88 : x
  2. Step 2: Convert to fraction form
    19,830.08/27,364.74 = 10,876.88/x
  3. Step 3: Cross multiply
    19,830.08x = 27,364.74 × 10,876.88
  4. Step 4: Simplify right side
    19,830.08x = 297,642,993.21
  5. Step 5: Solve for x
    x = 297,642,993.21/19,830.08
  6. Step 6: Final answer
    x = 15,009.67

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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.