Home / 15,733.81-21,714.78-14,405.14

Finding the Fourth Proportional to 15,733.81, 21,714.78 and 14,405.14

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Solution

The fourth proportional to 15,733.81, 21,714.78 and 14,405.14 is: 19,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.81 : 21,714.78 = 14,405.14 : x
  2. Step 2: Convert to fraction form
    15,733.81/21,714.78 = 14,405.14/x
  3. Step 3: Cross multiply
    15,733.81x = 21,714.78 × 14,405.14
  4. Step 4: Simplify right side
    15,733.81x = 312,804,445.97
  5. Step 5: Solve for x
    x = 312,804,445.97/15,733.81
  6. Step 6: Final answer
    x = 19,881.04

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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.