Home / 14,029.58-21,045.08-13,320.17

Finding the Fourth Proportional to 14,029.58, 21,045.08 and 13,320.17

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Solution

The fourth proportional to 14,029.58, 21,045.08 and 13,320.17 is: 19,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.58 : 21,045.08 = 13,320.17 : x
  2. Step 2: Convert to fraction form
    14,029.58/21,045.08 = 13,320.17/x
  3. Step 3: Cross multiply
    14,029.58x = 21,045.08 × 13,320.17
  4. Step 4: Simplify right side
    14,029.58x = 280,323,871.44
  5. Step 5: Solve for x
    x = 280,323,871.44/14,029.58
  6. Step 6: Final answer
    x = 19,980.92

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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.