Home / 9,930.02-13,703.34-5,453.68

Finding the Fourth Proportional to 9,930.02, 13,703.34 and 5,453.68

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Solution

The fourth proportional to 9,930.02, 13,703.34 and 5,453.68 is: 7,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.02 : 13,703.34 = 5,453.68 : x
  2. Step 2: Convert to fraction form
    9,930.02/13,703.34 = 5,453.68/x
  3. Step 3: Cross multiply
    9,930.02x = 13,703.34 × 5,453.68
  4. Step 4: Simplify right side
    9,930.02x = 74,733,631.29
  5. Step 5: Solve for x
    x = 74,733,631.29/9,930.02
  6. Step 6: Final answer
    x = 7,526.03

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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.