Home / 14,077.53-21,222-13,126.32

Finding the Fourth Proportional to 14,077.53, 21,222 and 13,126.32

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Solution

The fourth proportional to 14,077.53, 21,222 and 13,126.32 is: 19,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.53 : 21,222 = 13,126.32 : x
  2. Step 2: Convert to fraction form
    14,077.53/21,222 = 13,126.32/x
  3. Step 3: Cross multiply
    14,077.53x = 21,222 × 13,126.32
  4. Step 4: Simplify right side
    14,077.53x = 278,566,763.04
  5. Step 5: Solve for x
    x = 278,566,763.04/14,077.53
  6. Step 6: Final answer
    x = 19,788.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.