Home / 18,698.28-25,802.87-10,314.78

Finding the Fourth Proportional to 18,698.28, 25,802.87 and 10,314.78

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Solution

The fourth proportional to 18,698.28, 25,802.87 and 10,314.78 is: 14,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.28 : 25,802.87 = 10,314.78 : x
  2. Step 2: Convert to fraction form
    18,698.28/25,802.87 = 10,314.78/x
  3. Step 3: Cross multiply
    18,698.28x = 25,802.87 × 10,314.78
  4. Step 4: Simplify right side
    18,698.28x = 266,150,875.84
  5. Step 5: Solve for x
    x = 266,150,875.84/18,698.28
  6. Step 6: Final answer
    x = 14,233.98

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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.