Home / 18,015.40-24,845.70-14,477.32

Finding the Fourth Proportional to 18,015.40, 24,845.70 and 14,477.32

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Solution

The fourth proportional to 18,015.40, 24,845.70 and 14,477.32 is: 19,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.40 : 24,845.70 = 14,477.32 : x
  2. Step 2: Convert to fraction form
    18,015.40/24,845.70 = 14,477.32/x
  3. Step 3: Cross multiply
    18,015.40x = 24,845.70 × 14,477.32
  4. Step 4: Simplify right side
    18,015.40x = 359,699,149.52
  5. Step 5: Solve for x
    x = 359,699,149.52/18,015.40
  6. Step 6: Final answer
    x = 19,966.20

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.