Home / 14,129.01-21,187.10-5,357.70

Finding the Fourth Proportional to 14,129.01, 21,187.10 and 5,357.70

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Solution

The fourth proportional to 14,129.01, 21,187.10 and 5,357.70 is: 8,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.01 : 21,187.10 = 5,357.70 : x
  2. Step 2: Convert to fraction form
    14,129.01/21,187.10 = 5,357.70/x
  3. Step 3: Cross multiply
    14,129.01x = 21,187.10 × 5,357.70
  4. Step 4: Simplify right side
    14,129.01x = 113,514,139.06
  5. Step 5: Solve for x
    x = 113,514,139.06/14,129.01
  6. Step 6: Final answer
    x = 8,034.12

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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.