Home / 14,015.43-21,029.51-5,251.01

Finding the Fourth Proportional to 14,015.43, 21,029.51 and 5,251.01

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Solution

The fourth proportional to 14,015.43, 21,029.51 and 5,251.01 is: 7,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.43 : 21,029.51 = 5,251.01 : x
  2. Step 2: Convert to fraction form
    14,015.43/21,029.51 = 5,251.01/x
  3. Step 3: Cross multiply
    14,015.43x = 21,029.51 × 5,251.01
  4. Step 4: Simplify right side
    14,015.43x = 110,426,075.29
  5. Step 5: Solve for x
    x = 110,426,075.29/14,015.43
  6. Step 6: Final answer
    x = 7,878.89

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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.