Home / 15,426.48-23,139.86-3,739.71

Finding the Fourth Proportional to 15,426.48, 23,139.86 and 3,739.71

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Solution

The fourth proportional to 15,426.48, 23,139.86 and 3,739.71 is: 5,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.48 : 23,139.86 = 3,739.71 : x
  2. Step 2: Convert to fraction form
    15,426.48/23,139.86 = 3,739.71/x
  3. Step 3: Cross multiply
    15,426.48x = 23,139.86 × 3,739.71
  4. Step 4: Simplify right side
    15,426.48x = 86,536,365.84
  5. Step 5: Solve for x
    x = 86,536,365.84/15,426.48
  6. Step 6: Final answer
    x = 5,609.60

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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.