Home / 14,103.19-21,164.51-4,869.19

Finding the Fourth Proportional to 14,103.19, 21,164.51 and 4,869.19

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Solution

The fourth proportional to 14,103.19, 21,164.51 and 4,869.19 is: 7,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.19 : 21,164.51 = 4,869.19 : x
  2. Step 2: Convert to fraction form
    14,103.19/21,164.51 = 4,869.19/x
  3. Step 3: Cross multiply
    14,103.19x = 21,164.51 × 4,869.19
  4. Step 4: Simplify right side
    14,103.19x = 103,053,943.19
  5. Step 5: Solve for x
    x = 103,053,943.19/14,103.19
  6. Step 6: Final answer
    x = 7,307.14

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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.