Home / 9,929.70-13,702.16-5,453.34

Finding the Fourth Proportional to 9,929.70, 13,702.16 and 5,453.34

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Solution

The fourth proportional to 9,929.70, 13,702.16 and 5,453.34 is: 7,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.70 : 13,702.16 = 5,453.34 : x
  2. Step 2: Convert to fraction form
    9,929.70/13,702.16 = 5,453.34/x
  3. Step 3: Cross multiply
    9,929.70x = 13,702.16 × 5,453.34
  4. Step 4: Simplify right side
    9,929.70x = 74,722,509.95
  5. Step 5: Solve for x
    x = 74,722,509.95/9,929.70
  6. Step 6: Final answer
    x = 7,525.15

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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.