Home / 18,811.02-25,960.08-10,427.52

Finding the Fourth Proportional to 18,811.02, 25,960.08 and 10,427.52

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Solution

The fourth proportional to 18,811.02, 25,960.08 and 10,427.52 is: 14,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.02 : 25,960.08 = 10,427.52 : x
  2. Step 2: Convert to fraction form
    18,811.02/25,960.08 = 10,427.52/x
  3. Step 3: Cross multiply
    18,811.02x = 25,960.08 × 10,427.52
  4. Step 4: Simplify right side
    18,811.02x = 270,699,253.40
  5. Step 5: Solve for x
    x = 270,699,253.40/18,811.02
  6. Step 6: Final answer
    x = 14,390.46

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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.