Home / 18,749.48-25,838.51-13,435.07

Finding the Fourth Proportional to 18,749.48, 25,838.51 and 13,435.07

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Solution

The fourth proportional to 18,749.48, 25,838.51 and 13,435.07 is: 18,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.48 : 25,838.51 = 13,435.07 : x
  2. Step 2: Convert to fraction form
    18,749.48/25,838.51 = 13,435.07/x
  3. Step 3: Cross multiply
    18,749.48x = 25,838.51 × 13,435.07
  4. Step 4: Simplify right side
    18,749.48x = 347,141,994.18
  5. Step 5: Solve for x
    x = 347,141,994.18/18,749.48
  6. Step 6: Final answer
    x = 18,514.76

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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.