Home / 17,515.49-26,271.81-6,421.73

Finding the Fourth Proportional to 17,515.49, 26,271.81 and 6,421.73

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Solution

The fourth proportional to 17,515.49, 26,271.81 and 6,421.73 is: 9,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.49 : 26,271.81 = 6,421.73 : x
  2. Step 2: Convert to fraction form
    17,515.49/26,271.81 = 6,421.73/x
  3. Step 3: Cross multiply
    17,515.49x = 26,271.81 × 6,421.73
  4. Step 4: Simplify right side
    17,515.49x = 168,710,339.07
  5. Step 5: Solve for x
    x = 168,710,339.07/17,515.49
  6. Step 6: Final answer
    x = 9,632.07

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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.