Home / 17,848.20-26,746.70-13,131.40

Finding the Fourth Proportional to 17,848.20, 26,746.70 and 13,131.40

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Solution

The fourth proportional to 17,848.20, 26,746.70 and 13,131.40 is: 19,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,848.20 : 26,746.70 = 13,131.40 : x
  2. Step 2: Convert to fraction form
    17,848.20/26,746.70 = 13,131.40/x
  3. Step 3: Cross multiply
    17,848.20x = 26,746.70 × 13,131.40
  4. Step 4: Simplify right side
    17,848.20x = 351,221,616.38
  5. Step 5: Solve for x
    x = 351,221,616.38/17,848.20
  6. Step 6: Final answer
    x = 19,678.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.