Home / 14,000.16-21,004.35-4,139.70

Finding the Fourth Proportional to 14,000.16, 21,004.35 and 4,139.70

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Solution

The fourth proportional to 14,000.16, 21,004.35 and 4,139.70 is: 6,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.16 : 21,004.35 = 4,139.70 : x
  2. Step 2: Convert to fraction form
    14,000.16/21,004.35 = 4,139.70/x
  3. Step 3: Cross multiply
    14,000.16x = 21,004.35 × 4,139.70
  4. Step 4: Simplify right side
    14,000.16x = 86,951,707.70
  5. Step 5: Solve for x
    x = 86,951,707.70/14,000.16
  6. Step 6: Final answer
    x = 6,210.76

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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.