Home / 18,945.94-28,417.90-5,798.32

Finding the Fourth Proportional to 18,945.94, 28,417.90 and 5,798.32

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Solution

The fourth proportional to 18,945.94, 28,417.90 and 5,798.32 is: 8,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.94 : 28,417.90 = 5,798.32 : x
  2. Step 2: Convert to fraction form
    18,945.94/28,417.90 = 5,798.32/x
  3. Step 3: Cross multiply
    18,945.94x = 28,417.90 × 5,798.32
  4. Step 4: Simplify right side
    18,945.94x = 164,776,077.93
  5. Step 5: Solve for x
    x = 164,776,077.93/18,945.94
  6. Step 6: Final answer
    x = 8,697.17

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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.