Home / 14,030.08-21,046.24-8,187.28

Finding the Fourth Proportional to 14,030.08, 21,046.24 and 8,187.28

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Solution

The fourth proportional to 14,030.08, 21,046.24 and 8,187.28 is: 12,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.08 : 21,046.24 = 8,187.28 : x
  2. Step 2: Convert to fraction form
    14,030.08/21,046.24 = 8,187.28/x
  3. Step 3: Cross multiply
    14,030.08x = 21,046.24 × 8,187.28
  4. Step 4: Simplify right side
    14,030.08x = 172,311,459.83
  5. Step 5: Solve for x
    x = 172,311,459.83/14,030.08
  6. Step 6: Final answer
    x = 12,281.57

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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.