Home / 9,943.40-13,722.62-6,580.36

Finding the Fourth Proportional to 9,943.40, 13,722.62 and 6,580.36

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Solution

The fourth proportional to 9,943.40, 13,722.62 and 6,580.36 is: 9,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.40 : 13,722.62 = 6,580.36 : x
  2. Step 2: Convert to fraction form
    9,943.40/13,722.62 = 6,580.36/x
  3. Step 3: Cross multiply
    9,943.40x = 13,722.62 × 6,580.36
  4. Step 4: Simplify right side
    9,943.40x = 90,299,779.74
  5. Step 5: Solve for x
    x = 90,299,779.74/9,943.40
  6. Step 6: Final answer
    x = 9,081.38

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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.