Home / 18,770.06-25,908.45-10,817.58

Finding the Fourth Proportional to 18,770.06, 25,908.45 and 10,817.58

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Solution

The fourth proportional to 18,770.06, 25,908.45 and 10,817.58 is: 14,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.06 : 25,908.45 = 10,817.58 : x
  2. Step 2: Convert to fraction form
    18,770.06/25,908.45 = 10,817.58/x
  3. Step 3: Cross multiply
    18,770.06x = 25,908.45 × 10,817.58
  4. Step 4: Simplify right side
    18,770.06x = 280,266,730.55
  5. Step 5: Solve for x
    x = 280,266,730.55/18,770.06
  6. Step 6: Final answer
    x = 14,931.59

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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.