Home / 18,924.16-28,386.18-10,495.82

Finding the Fourth Proportional to 18,924.16, 28,386.18 and 10,495.82

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Solution

The fourth proportional to 18,924.16, 28,386.18 and 10,495.82 is: 15,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.16 : 28,386.18 = 10,495.82 : x
  2. Step 2: Convert to fraction form
    18,924.16/28,386.18 = 10,495.82/x
  3. Step 3: Cross multiply
    18,924.16x = 28,386.18 × 10,495.82
  4. Step 4: Simplify right side
    18,924.16x = 297,936,235.77
  5. Step 5: Solve for x
    x = 297,936,235.77/18,924.16
  6. Step 6: Final answer
    x = 15,743.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.