Home / 18,436.07-25,441.88-10,478.30

Finding the Fourth Proportional to 18,436.07, 25,441.88 and 10,478.30

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Solution

The fourth proportional to 18,436.07, 25,441.88 and 10,478.30 is: 14,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.07 : 25,441.88 = 10,478.30 : x
  2. Step 2: Convert to fraction form
    18,436.07/25,441.88 = 10,478.30/x
  3. Step 3: Cross multiply
    18,436.07x = 25,441.88 × 10,478.30
  4. Step 4: Simplify right side
    18,436.07x = 266,587,471.60
  5. Step 5: Solve for x
    x = 266,587,471.60/18,436.07
  6. Step 6: Final answer
    x = 14,460.10

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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.