Home / 9,930.25-13,705.65-5,897.98

Finding the Fourth Proportional to 9,930.25, 13,705.65 and 5,897.98

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Solution

The fourth proportional to 9,930.25, 13,705.65 and 5,897.98 is: 8,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.25 : 13,705.65 = 5,897.98 : x
  2. Step 2: Convert to fraction form
    9,930.25/13,705.65 = 5,897.98/x
  3. Step 3: Cross multiply
    9,930.25x = 13,705.65 × 5,897.98
  4. Step 4: Simplify right side
    9,930.25x = 80,835,649.59
  5. Step 5: Solve for x
    x = 80,835,649.59/9,930.25
  6. Step 6: Final answer
    x = 8,140.34

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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.