Home / 14,009.38-21,011.16-4,146.35

Finding the Fourth Proportional to 14,009.38, 21,011.16 and 4,146.35

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Solution

The fourth proportional to 14,009.38, 21,011.16 and 4,146.35 is: 6,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.38 : 21,011.16 = 4,146.35 : x
  2. Step 2: Convert to fraction form
    14,009.38/21,011.16 = 4,146.35/x
  3. Step 3: Cross multiply
    14,009.38x = 21,011.16 × 4,146.35
  4. Step 4: Simplify right side
    14,009.38x = 87,119,518.21
  5. Step 5: Solve for x
    x = 87,119,518.21/14,009.38
  6. Step 6: Final answer
    x = 6,218.66

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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.