Home / 14,918.40-20,578.32-10,732.32

Finding the Fourth Proportional to 14,918.40, 20,578.32 and 10,732.32

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Solution

The fourth proportional to 14,918.40, 20,578.32 and 10,732.32 is: 14,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.40 : 20,578.32 = 10,732.32 : x
  2. Step 2: Convert to fraction form
    14,918.40/20,578.32 = 10,732.32/x
  3. Step 3: Cross multiply
    14,918.40x = 20,578.32 × 10,732.32
  4. Step 4: Simplify right side
    14,918.40x = 220,853,115.30
  5. Step 5: Solve for x
    x = 220,853,115.30/14,918.40
  6. Step 6: Final answer
    x = 14,804.08

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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.