Home / 19,461.10-26,845.51-12,757.54

Finding the Fourth Proportional to 19,461.10, 26,845.51 and 12,757.54

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Solution

The fourth proportional to 19,461.10, 26,845.51 and 12,757.54 is: 17,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.10 : 26,845.51 = 12,757.54 : x
  2. Step 2: Convert to fraction form
    19,461.10/26,845.51 = 12,757.54/x
  3. Step 3: Cross multiply
    19,461.10x = 26,845.51 × 12,757.54
  4. Step 4: Simplify right side
    19,461.10x = 342,482,667.65
  5. Step 5: Solve for x
    x = 342,482,667.65/19,461.10
  6. Step 6: Final answer
    x = 17,598.32

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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.