Home / 13,870.14-20,798.88-4,007.06

Finding the Fourth Proportional to 13,870.14, 20,798.88 and 4,007.06

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Solution

The fourth proportional to 13,870.14, 20,798.88 and 4,007.06 is: 6,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.14 : 20,798.88 = 4,007.06 : x
  2. Step 2: Convert to fraction form
    13,870.14/20,798.88 = 4,007.06/x
  3. Step 3: Cross multiply
    13,870.14x = 20,798.88 × 4,007.06
  4. Step 4: Simplify right side
    13,870.14x = 83,342,360.09
  5. Step 5: Solve for x
    x = 83,342,360.09/13,870.14
  6. Step 6: Final answer
    x = 6,008.76

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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.