Home / 14,359.32-21,398.04-13,889.52

Finding the Fourth Proportional to 14,359.32, 21,398.04 and 13,889.52

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Solution

The fourth proportional to 14,359.32, 21,398.04 and 13,889.52 is: 20,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.32 : 21,398.04 = 13,889.52 : x
  2. Step 2: Convert to fraction form
    14,359.32/21,398.04 = 13,889.52/x
  3. Step 3: Cross multiply
    14,359.32x = 21,398.04 × 13,889.52
  4. Step 4: Simplify right side
    14,359.32x = 297,208,504.54
  5. Step 5: Solve for x
    x = 297,208,504.54/14,359.32
  6. Step 6: Final answer
    x = 20,697.95

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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.