Home / 19,164.21-26,447.88-10,666.24

Finding the Fourth Proportional to 19,164.21, 26,447.88 and 10,666.24

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Solution

The fourth proportional to 19,164.21, 26,447.88 and 10,666.24 is: 14,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.21 : 26,447.88 = 10,666.24 : x
  2. Step 2: Convert to fraction form
    19,164.21/26,447.88 = 10,666.24/x
  3. Step 3: Cross multiply
    19,164.21x = 26,447.88 × 10,666.24
  4. Step 4: Simplify right side
    19,164.21x = 282,099,435.57
  5. Step 5: Solve for x
    x = 282,099,435.57/19,164.21
  6. Step 6: Final answer
    x = 14,720.12

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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.