Home / 9,930.16-13,703.66-5,453.80

Finding the Fourth Proportional to 9,930.16, 13,703.66 and 5,453.80

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Solution

The fourth proportional to 9,930.16, 13,703.66 and 5,453.80 is: 7,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.16 : 13,703.66 = 5,453.80 : x
  2. Step 2: Convert to fraction form
    9,930.16/13,703.66 = 5,453.80/x
  3. Step 3: Cross multiply
    9,930.16x = 13,703.66 × 5,453.80
  4. Step 4: Simplify right side
    9,930.16x = 74,736,964.49
  5. Step 5: Solve for x
    x = 74,736,964.49/9,930.16
  6. Step 6: Final answer
    x = 7,526.26

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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.