Home / 21,254.04-29,284.07-14,071.77

Finding the Fourth Proportional to 21,254.04, 29,284.07 and 14,071.77

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Solution

The fourth proportional to 21,254.04, 29,284.07 and 14,071.77 is: 19,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.04 : 29,284.07 = 14,071.77 : x
  2. Step 2: Convert to fraction form
    21,254.04/29,284.07 = 14,071.77/x
  3. Step 3: Cross multiply
    21,254.04x = 29,284.07 × 14,071.77
  4. Step 4: Simplify right side
    21,254.04x = 412,078,627.35
  5. Step 5: Solve for x
    x = 412,078,627.35/21,254.04
  6. Step 6: Final answer
    x = 19,388.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.