Home / 16,807.82-25,178.32-15,430.01

Finding the Fourth Proportional to 16,807.82, 25,178.32 and 15,430.01

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Solution

The fourth proportional to 16,807.82, 25,178.32 and 15,430.01 is: 23,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.82 : 25,178.32 = 15,430.01 : x
  2. Step 2: Convert to fraction form
    16,807.82/25,178.32 = 15,430.01/x
  3. Step 3: Cross multiply
    16,807.82x = 25,178.32 × 15,430.01
  4. Step 4: Simplify right side
    16,807.82x = 388,501,811.62
  5. Step 5: Solve for x
    x = 388,501,811.62/16,807.82
  6. Step 6: Final answer
    x = 23,114.35

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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.