Home / 13,840.32-19,096.73-8,802.70

Finding the Fourth Proportional to 13,840.32, 19,096.73 and 8,802.70

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Solution

The fourth proportional to 13,840.32, 19,096.73 and 8,802.70 is: 12,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.32 : 19,096.73 = 8,802.70 : x
  2. Step 2: Convert to fraction form
    13,840.32/19,096.73 = 8,802.70/x
  3. Step 3: Cross multiply
    13,840.32x = 19,096.73 × 8,802.70
  4. Step 4: Simplify right side
    13,840.32x = 168,102,741.16
  5. Step 5: Solve for x
    x = 168,102,741.16/13,840.32
  6. Step 6: Final answer
    x = 12,145.88

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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.