Home / 14,447.19-21,670.80-5,677.32

Finding the Fourth Proportional to 14,447.19, 21,670.80 and 5,677.32

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Solution

The fourth proportional to 14,447.19, 21,670.80 and 5,677.32 is: 8,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.19 : 21,670.80 = 5,677.32 : x
  2. Step 2: Convert to fraction form
    14,447.19/21,670.80 = 5,677.32/x
  3. Step 3: Cross multiply
    14,447.19x = 21,670.80 × 5,677.32
  4. Step 4: Simplify right side
    14,447.19x = 123,032,066.26
  5. Step 5: Solve for x
    x = 123,032,066.26/14,447.19
  6. Step 6: Final answer
    x = 8,515.99

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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.