Home / 14,159.54-21,239.38-4,298.91

Finding the Fourth Proportional to 14,159.54, 21,239.38 and 4,298.91

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Solution

The fourth proportional to 14,159.54, 21,239.38 and 4,298.91 is: 6,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.54 : 21,239.38 = 4,298.91 : x
  2. Step 2: Convert to fraction form
    14,159.54/21,239.38 = 4,298.91/x
  3. Step 3: Cross multiply
    14,159.54x = 21,239.38 × 4,298.91
  4. Step 4: Simplify right side
    14,159.54x = 91,306,108.80
  5. Step 5: Solve for x
    x = 91,306,108.80/14,159.54
  6. Step 6: Final answer
    x = 6,448.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.