Home / 14,356.26-21,521.40-5,120.10

Finding the Fourth Proportional to 14,356.26, 21,521.40 and 5,120.10

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Solution

The fourth proportional to 14,356.26, 21,521.40 and 5,120.10 is: 7,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.26 : 21,521.40 = 5,120.10 : x
  2. Step 2: Convert to fraction form
    14,356.26/21,521.40 = 5,120.10/x
  3. Step 3: Cross multiply
    14,356.26x = 21,521.40 × 5,120.10
  4. Step 4: Simplify right side
    14,356.26x = 110,191,720.14
  5. Step 5: Solve for x
    x = 110,191,720.14/14,356.26
  6. Step 6: Final answer
    x = 7,675.52

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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.