Home / 10,239.01-15,358.41-4,690.78

Finding the Fourth Proportional to 10,239.01, 15,358.41 and 4,690.78

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Solution

The fourth proportional to 10,239.01, 15,358.41 and 4,690.78 is: 7,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.01 : 15,358.41 = 4,690.78 : x
  2. Step 2: Convert to fraction form
    10,239.01/15,358.41 = 4,690.78/x
  3. Step 3: Cross multiply
    10,239.01x = 15,358.41 × 4,690.78
  4. Step 4: Simplify right side
    10,239.01x = 72,042,884.06
  5. Step 5: Solve for x
    x = 72,042,884.06/10,239.01
  6. Step 6: Final answer
    x = 7,036.12

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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.