Home / 15,366.48-23,012.77-8,772.68

Finding the Fourth Proportional to 15,366.48, 23,012.77 and 8,772.68

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Solution

The fourth proportional to 15,366.48, 23,012.77 and 8,772.68 is: 13,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.48 : 23,012.77 = 8,772.68 : x
  2. Step 2: Convert to fraction form
    15,366.48/23,012.77 = 8,772.68/x
  3. Step 3: Cross multiply
    15,366.48x = 23,012.77 × 8,772.68
  4. Step 4: Simplify right side
    15,366.48x = 201,883,667.12
  5. Step 5: Solve for x
    x = 201,883,667.12/15,366.48
  6. Step 6: Final answer
    x = 13,137.93

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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.