Home / 9,705.32-13,389.54-5,972.84

Finding the Fourth Proportional to 9,705.32, 13,389.54 and 5,972.84

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Solution

The fourth proportional to 9,705.32, 13,389.54 and 5,972.84 is: 8,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.32 : 13,389.54 = 5,972.84 : x
  2. Step 2: Convert to fraction form
    9,705.32/13,389.54 = 5,972.84/x
  3. Step 3: Cross multiply
    9,705.32x = 13,389.54 × 5,972.84
  4. Step 4: Simplify right side
    9,705.32x = 79,973,580.09
  5. Step 5: Solve for x
    x = 79,973,580.09/9,705.32
  6. Step 6: Final answer
    x = 8,240.18

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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.