Home / 9,870.68-14,806.14-5,515.84

Finding the Fourth Proportional to 9,870.68, 14,806.14 and 5,515.84

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Solution

The fourth proportional to 9,870.68, 14,806.14 and 5,515.84 is: 8,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.68 : 14,806.14 = 5,515.84 : x
  2. Step 2: Convert to fraction form
    9,870.68/14,806.14 = 5,515.84/x
  3. Step 3: Cross multiply
    9,870.68x = 14,806.14 × 5,515.84
  4. Step 4: Simplify right side
    9,870.68x = 81,668,299.26
  5. Step 5: Solve for x
    x = 81,668,299.26/9,870.68
  6. Step 6: Final answer
    x = 8,273.83

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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.