Home / 18,577.70-25,639.02-10,618.40

Finding the Fourth Proportional to 18,577.70, 25,639.02 and 10,618.40

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Solution

The fourth proportional to 18,577.70, 25,639.02 and 10,618.40 is: 14,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.70 : 25,639.02 = 10,618.40 : x
  2. Step 2: Convert to fraction form
    18,577.70/25,639.02 = 10,618.40/x
  3. Step 3: Cross multiply
    18,577.70x = 25,639.02 × 10,618.40
  4. Step 4: Simplify right side
    18,577.70x = 272,245,241.77
  5. Step 5: Solve for x
    x = 272,245,241.77/18,577.70
  6. Step 6: Final answer
    x = 14,654.41

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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.