Home / 17,640.10-26,503.35-13,266.10

Finding the Fourth Proportional to 17,640.10, 26,503.35 and 13,266.10

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Solution

The fourth proportional to 17,640.10, 26,503.35 and 13,266.10 is: 19,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.10 : 26,503.35 = 13,266.10 : x
  2. Step 2: Convert to fraction form
    17,640.10/26,503.35 = 13,266.10/x
  3. Step 3: Cross multiply
    17,640.10x = 26,503.35 × 13,266.10
  4. Step 4: Simplify right side
    17,640.10x = 351,596,091.44
  5. Step 5: Solve for x
    x = 351,596,091.44/17,640.10
  6. Step 6: Final answer
    x = 19,931.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.