Home / 14,055.64-21,084.26-5,290.63

Finding the Fourth Proportional to 14,055.64, 21,084.26 and 5,290.63

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Solution

The fourth proportional to 14,055.64, 21,084.26 and 5,290.63 is: 7,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.64 : 21,084.26 = 5,290.63 : x
  2. Step 2: Convert to fraction form
    14,055.64/21,084.26 = 5,290.63/x
  3. Step 3: Cross multiply
    14,055.64x = 21,084.26 × 5,290.63
  4. Step 4: Simplify right side
    14,055.64x = 111,549,018.48
  5. Step 5: Solve for x
    x = 111,549,018.48/14,055.64
  6. Step 6: Final answer
    x = 7,936.25

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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.