Home / 15,646.20-23,461.62-7,739.58

Finding the Fourth Proportional to 15,646.20, 23,461.62 and 7,739.58

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Solution

The fourth proportional to 15,646.20, 23,461.62 and 7,739.58 is: 11,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.20 : 23,461.62 = 7,739.58 : x
  2. Step 2: Convert to fraction form
    15,646.20/23,461.62 = 7,739.58/x
  3. Step 3: Cross multiply
    15,646.20x = 23,461.62 × 7,739.58
  4. Step 4: Simplify right side
    15,646.20x = 181,583,084.92
  5. Step 5: Solve for x
    x = 181,583,084.92/15,646.20
  6. Step 6: Final answer
    x = 11,605.57

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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.