Home / 18,788.16-25,927.61-10,830.34

Finding the Fourth Proportional to 18,788.16, 25,927.61 and 10,830.34

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Solution

The fourth proportional to 18,788.16, 25,927.61 and 10,830.34 is: 14,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.16 : 25,927.61 = 10,830.34 : x
  2. Step 2: Convert to fraction form
    18,788.16/25,927.61 = 10,830.34/x
  3. Step 3: Cross multiply
    18,788.16x = 25,927.61 × 10,830.34
  4. Step 4: Simplify right side
    18,788.16x = 280,804,831.69
  5. Step 5: Solve for x
    x = 280,804,831.69/18,788.16
  6. Step 6: Final answer
    x = 14,945.84

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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.