Home / 9,913.06-13,679.94-5,437.10

Finding the Fourth Proportional to 9,913.06, 13,679.94 and 5,437.10

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Solution

The fourth proportional to 9,913.06, 13,679.94 and 5,437.10 is: 7,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.06 : 13,679.94 = 5,437.10 : x
  2. Step 2: Convert to fraction form
    9,913.06/13,679.94 = 5,437.10/x
  3. Step 3: Cross multiply
    9,913.06x = 13,679.94 × 5,437.10
  4. Step 4: Simplify right side
    9,913.06x = 74,379,201.77
  5. Step 5: Solve for x
    x = 74,379,201.77/9,913.06
  6. Step 6: Final answer
    x = 7,503.15

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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.