Home / 15,429.89-23,127.34-6,539.68

Finding the Fourth Proportional to 15,429.89, 23,127.34 and 6,539.68

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Solution

The fourth proportional to 15,429.89, 23,127.34 and 6,539.68 is: 9,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.89 : 23,127.34 = 6,539.68 : x
  2. Step 2: Convert to fraction form
    15,429.89/23,127.34 = 6,539.68/x
  3. Step 3: Cross multiply
    15,429.89x = 23,127.34 × 6,539.68
  4. Step 4: Simplify right side
    15,429.89x = 151,245,402.85
  5. Step 5: Solve for x
    x = 151,245,402.85/15,429.89
  6. Step 6: Final answer
    x = 9,802.11

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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.