Home / 14,490.46-21,540.29-14,064.76

Finding the Fourth Proportional to 14,490.46, 21,540.29 and 14,064.76

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Solution

The fourth proportional to 14,490.46, 21,540.29 and 14,064.76 is: 20,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.46 : 21,540.29 = 14,064.76 : x
  2. Step 2: Convert to fraction form
    14,490.46/21,540.29 = 14,064.76/x
  3. Step 3: Cross multiply
    14,490.46x = 21,540.29 × 14,064.76
  4. Step 4: Simplify right side
    14,490.46x = 302,959,009.18
  5. Step 5: Solve for x
    x = 302,959,009.18/14,490.46
  6. Step 6: Final answer
    x = 20,907.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.