Home / 15,580.30-23,370.45-13,636.30

Finding the Fourth Proportional to 15,580.30, 23,370.45 and 13,636.30

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Solution

The fourth proportional to 15,580.30, 23,370.45 and 13,636.30 is: 20,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.30 : 23,370.45 = 13,636.30 : x
  2. Step 2: Convert to fraction form
    15,580.30/23,370.45 = 13,636.30/x
  3. Step 3: Cross multiply
    15,580.30x = 23,370.45 × 13,636.30
  4. Step 4: Simplify right side
    15,580.30x = 318,686,467.34
  5. Step 5: Solve for x
    x = 318,686,467.34/15,580.30
  6. Step 6: Final answer
    x = 20,454.45

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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.