Home / 13,698.57-20,547.18-3,837.63

Finding the Fourth Proportional to 13,698.57, 20,547.18 and 3,837.63

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Solution

The fourth proportional to 13,698.57, 20,547.18 and 3,837.63 is: 5,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.57 : 20,547.18 = 3,837.63 : x
  2. Step 2: Convert to fraction form
    13,698.57/20,547.18 = 3,837.63/x
  3. Step 3: Cross multiply
    13,698.57x = 20,547.18 × 3,837.63
  4. Step 4: Simplify right side
    13,698.57x = 78,852,474.38
  5. Step 5: Solve for x
    x = 78,852,474.38/13,698.57
  6. Step 6: Final answer
    x = 5,756.26

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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.