Home / 21,459.64-29,614.26-13,076.14

Finding the Fourth Proportional to 21,459.64, 29,614.26 and 13,076.14

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Solution

The fourth proportional to 21,459.64, 29,614.26 and 13,076.14 is: 18,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.64 : 29,614.26 = 13,076.14 : x
  2. Step 2: Convert to fraction form
    21,459.64/29,614.26 = 13,076.14/x
  3. Step 3: Cross multiply
    21,459.64x = 29,614.26 × 13,076.14
  4. Step 4: Simplify right side
    21,459.64x = 387,240,209.76
  5. Step 5: Solve for x
    x = 387,240,209.76/21,459.64
  6. Step 6: Final answer
    x = 18,045.05

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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.