Home / 15,615.08-23,420.04-4,519.29

Finding the Fourth Proportional to 15,615.08, 23,420.04 and 4,519.29

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Solution

The fourth proportional to 15,615.08, 23,420.04 and 4,519.29 is: 6,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.08 : 23,420.04 = 4,519.29 : x
  2. Step 2: Convert to fraction form
    15,615.08/23,420.04 = 4,519.29/x
  3. Step 3: Cross multiply
    15,615.08x = 23,420.04 × 4,519.29
  4. Step 4: Simplify right side
    15,615.08x = 105,842,023.45
  5. Step 5: Solve for x
    x = 105,842,023.45/15,615.08
  6. Step 6: Final answer
    x = 6,778.19

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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.