Home / 21,246.12-31,746.67-16,219.62

Finding the Fourth Proportional to 21,246.12, 31,746.67 and 16,219.62

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Solution

The fourth proportional to 21,246.12, 31,746.67 and 16,219.62 is: 24,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.12 : 31,746.67 = 16,219.62 : x
  2. Step 2: Convert to fraction form
    21,246.12/31,746.67 = 16,219.62/x
  3. Step 3: Cross multiply
    21,246.12x = 31,746.67 × 16,219.62
  4. Step 4: Simplify right side
    21,246.12x = 514,918,883.12
  5. Step 5: Solve for x
    x = 514,918,883.12/21,246.12
  6. Step 6: Final answer
    x = 24,235.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.