Home / 15,426.70-23,135.26-5,564.69

Finding the Fourth Proportional to 15,426.70, 23,135.26 and 5,564.69

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Solution

The fourth proportional to 15,426.70, 23,135.26 and 5,564.69 is: 8,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.70 : 23,135.26 = 5,564.69 : x
  2. Step 2: Convert to fraction form
    15,426.70/23,135.26 = 5,564.69/x
  3. Step 3: Cross multiply
    15,426.70x = 23,135.26 × 5,564.69
  4. Step 4: Simplify right side
    15,426.70x = 128,740,593.90
  5. Step 5: Solve for x
    x = 128,740,593.90/15,426.70
  6. Step 6: Final answer
    x = 8,345.31

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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.