Home / 10,479.07-15,717.66-6,290.95

Finding the Fourth Proportional to 10,479.07, 15,717.66 and 6,290.95

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Solution

The fourth proportional to 10,479.07, 15,717.66 and 6,290.95 is: 9,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.07 : 15,717.66 = 6,290.95 : x
  2. Step 2: Convert to fraction form
    10,479.07/15,717.66 = 6,290.95/x
  3. Step 3: Cross multiply
    10,479.07x = 15,717.66 × 6,290.95
  4. Step 4: Simplify right side
    10,479.07x = 98,879,013.18
  5. Step 5: Solve for x
    x = 98,879,013.18/10,479.07
  6. Step 6: Final answer
    x = 9,435.86

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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.