Home / 14,254.04-21,478.36-11,713.88

Finding the Fourth Proportional to 14,254.04, 21,478.36 and 11,713.88

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Solution

The fourth proportional to 14,254.04, 21,478.36 and 11,713.88 is: 17,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.04 : 21,478.36 = 11,713.88 : x
  2. Step 2: Convert to fraction form
    14,254.04/21,478.36 = 11,713.88/x
  3. Step 3: Cross multiply
    14,254.04x = 21,478.36 × 11,713.88
  4. Step 4: Simplify right side
    14,254.04x = 251,594,931.64
  5. Step 5: Solve for x
    x = 251,594,931.64/14,254.04
  6. Step 6: Final answer
    x = 17,650.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.