Home / 19,515.09-26,930.88-10,562.59

Finding the Fourth Proportional to 19,515.09, 26,930.88 and 10,562.59

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Solution

The fourth proportional to 19,515.09, 26,930.88 and 10,562.59 is: 14,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.09 : 26,930.88 = 10,562.59 : x
  2. Step 2: Convert to fraction form
    19,515.09/26,930.88 = 10,562.59/x
  3. Step 3: Cross multiply
    19,515.09x = 26,930.88 × 10,562.59
  4. Step 4: Simplify right side
    19,515.09x = 284,459,843.78
  5. Step 5: Solve for x
    x = 284,459,843.78/19,515.09
  6. Step 6: Final answer
    x = 14,576.40

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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.