Home / 19,314.48-26,654.36-12,604.40

Finding the Fourth Proportional to 19,314.48, 26,654.36 and 12,604.40

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Solution

The fourth proportional to 19,314.48, 26,654.36 and 12,604.40 is: 17,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.48 : 26,654.36 = 12,604.40 : x
  2. Step 2: Convert to fraction form
    19,314.48/26,654.36 = 12,604.40/x
  3. Step 3: Cross multiply
    19,314.48x = 26,654.36 × 12,604.40
  4. Step 4: Simplify right side
    19,314.48x = 335,962,215.18
  5. Step 5: Solve for x
    x = 335,962,215.18/19,314.48
  6. Step 6: Final answer
    x = 17,394.32

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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.