Home / 15,171.60-22,762.80-14,631.60

Finding the Fourth Proportional to 15,171.60, 22,762.80 and 14,631.60

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Solution

The fourth proportional to 15,171.60, 22,762.80 and 14,631.60 is: 21,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.60 : 22,762.80 = 14,631.60 : x
  2. Step 2: Convert to fraction form
    15,171.60/22,762.80 = 14,631.60/x
  3. Step 3: Cross multiply
    15,171.60x = 22,762.80 × 14,631.60
  4. Step 4: Simplify right side
    15,171.60x = 333,056,184.48
  5. Step 5: Solve for x
    x = 333,056,184.48/15,171.60
  6. Step 6: Final answer
    x = 21,952.61

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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.