Home / 14,008.14-21,015.29-4,148.19

Finding the Fourth Proportional to 14,008.14, 21,015.29 and 4,148.19

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Solution

The fourth proportional to 14,008.14, 21,015.29 and 4,148.19 is: 6,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.14 : 21,015.29 = 4,148.19 : x
  2. Step 2: Convert to fraction form
    14,008.14/21,015.29 = 4,148.19/x
  3. Step 3: Cross multiply
    14,008.14x = 21,015.29 × 4,148.19
  4. Step 4: Simplify right side
    14,008.14x = 87,175,395.08
  5. Step 5: Solve for x
    x = 87,175,395.08/14,008.14
  6. Step 6: Final answer
    x = 6,223.20

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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.