Home / 8,875.14-13,315.95-5,176.68

Finding the Fourth Proportional to 8,875.14, 13,315.95 and 5,176.68

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Solution

The fourth proportional to 8,875.14, 13,315.95 and 5,176.68 is: 7,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.14 : 13,315.95 = 5,176.68 : x
  2. Step 2: Convert to fraction form
    8,875.14/13,315.95 = 5,176.68/x
  3. Step 3: Cross multiply
    8,875.14x = 13,315.95 × 5,176.68
  4. Step 4: Simplify right side
    8,875.14x = 68,932,412.05
  5. Step 5: Solve for x
    x = 68,932,412.05/8,875.14
  6. Step 6: Final answer
    x = 7,766.91

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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.