Home / 10,206.30-15,308.55-2,810.10

Finding the Fourth Proportional to 10,206.30, 15,308.55 and 2,810.10

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Solution

The fourth proportional to 10,206.30, 15,308.55 and 2,810.10 is: 4,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.30 : 15,308.55 = 2,810.10 : x
  2. Step 2: Convert to fraction form
    10,206.30/15,308.55 = 2,810.10/x
  3. Step 3: Cross multiply
    10,206.30x = 15,308.55 × 2,810.10
  4. Step 4: Simplify right side
    10,206.30x = 43,018,556.36
  5. Step 5: Solve for x
    x = 43,018,556.36/10,206.30
  6. Step 6: Final answer
    x = 4,214.90

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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.