Home / 15,497.46-21,379.95-9,208.62

Finding the Fourth Proportional to 15,497.46, 21,379.95 and 9,208.62

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Solution

The fourth proportional to 15,497.46, 21,379.95 and 9,208.62 is: 12,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.46 : 21,379.95 = 9,208.62 : x
  2. Step 2: Convert to fraction form
    15,497.46/21,379.95 = 9,208.62/x
  3. Step 3: Cross multiply
    15,497.46x = 21,379.95 × 9,208.62
  4. Step 4: Simplify right side
    15,497.46x = 196,879,835.17
  5. Step 5: Solve for x
    x = 196,879,835.17/15,497.46
  6. Step 6: Final answer
    x = 12,704.01

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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.