Home / 19,495.16-26,902.44-12,423.84

Finding the Fourth Proportional to 19,495.16, 26,902.44 and 12,423.84

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Solution

The fourth proportional to 19,495.16, 26,902.44 and 12,423.84 is: 17,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.16 : 26,902.44 = 12,423.84 : x
  2. Step 2: Convert to fraction form
    19,495.16/26,902.44 = 12,423.84/x
  3. Step 3: Cross multiply
    19,495.16x = 26,902.44 × 12,423.84
  4. Step 4: Simplify right side
    19,495.16x = 334,231,610.17
  5. Step 5: Solve for x
    x = 334,231,610.17/19,495.16
  6. Step 6: Final answer
    x = 17,144.34

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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.