Home / 14,020.70-21,030.90-4,160.07

Finding the Fourth Proportional to 14,020.70, 21,030.90 and 4,160.07

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Solution

The fourth proportional to 14,020.70, 21,030.90 and 4,160.07 is: 6,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.70 : 21,030.90 = 4,160.07 : x
  2. Step 2: Convert to fraction form
    14,020.70/21,030.90 = 4,160.07/x
  3. Step 3: Cross multiply
    14,020.70x = 21,030.90 × 4,160.07
  4. Step 4: Simplify right side
    14,020.70x = 87,490,016.16
  5. Step 5: Solve for x
    x = 87,490,016.16/14,020.70
  6. Step 6: Final answer
    x = 6,240.06

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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.