Home / 10,336.80-15,506.38-3,315.18

Finding the Fourth Proportional to 10,336.80, 15,506.38 and 3,315.18

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Solution

The fourth proportional to 10,336.80, 15,506.38 and 3,315.18 is: 4,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.80 : 15,506.38 = 3,315.18 : x
  2. Step 2: Convert to fraction form
    10,336.80/15,506.38 = 3,315.18/x
  3. Step 3: Cross multiply
    10,336.80x = 15,506.38 × 3,315.18
  4. Step 4: Simplify right side
    10,336.80x = 51,406,440.85
  5. Step 5: Solve for x
    x = 51,406,440.85/10,336.80
  6. Step 6: Final answer
    x = 4,973.15

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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.