Home / 15,370.10-23,007.96-11,209.13

Finding the Fourth Proportional to 15,370.10, 23,007.96 and 11,209.13

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Solution

The fourth proportional to 15,370.10, 23,007.96 and 11,209.13 is: 16,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.10 : 23,007.96 = 11,209.13 : x
  2. Step 2: Convert to fraction form
    15,370.10/23,007.96 = 11,209.13/x
  3. Step 3: Cross multiply
    15,370.10x = 23,007.96 × 11,209.13
  4. Step 4: Simplify right side
    15,370.10x = 257,899,099.64
  5. Step 5: Solve for x
    x = 257,899,099.64/15,370.10
  6. Step 6: Final answer
    x = 16,779.28

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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.