Home / 18,396.76-25,389.69-10,331.74

Finding the Fourth Proportional to 18,396.76, 25,389.69 and 10,331.74

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Solution

The fourth proportional to 18,396.76, 25,389.69 and 10,331.74 is: 14,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.76 : 25,389.69 = 10,331.74 : x
  2. Step 2: Convert to fraction form
    18,396.76/25,389.69 = 10,331.74/x
  3. Step 3: Cross multiply
    18,396.76x = 25,389.69 × 10,331.74
  4. Step 4: Simplify right side
    18,396.76x = 262,319,675.76
  5. Step 5: Solve for x
    x = 262,319,675.76/18,396.76
  6. Step 6: Final answer
    x = 14,259.01

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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.