Home / 11,207.30-16,810.95-3,820.10

Finding the Fourth Proportional to 11,207.30, 16,810.95 and 3,820.10

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Solution

The fourth proportional to 11,207.30, 16,810.95 and 3,820.10 is: 5,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.30 : 16,810.95 = 3,820.10 : x
  2. Step 2: Convert to fraction form
    11,207.30/16,810.95 = 3,820.10/x
  3. Step 3: Cross multiply
    11,207.30x = 16,810.95 × 3,820.10
  4. Step 4: Simplify right side
    11,207.30x = 64,219,510.10
  5. Step 5: Solve for x
    x = 64,219,510.10/11,207.30
  6. Step 6: Final answer
    x = 5,730.15

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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.