Home / 19,477.40-29,216.10-12,057.80

Finding the Fourth Proportional to 19,477.40, 29,216.10 and 12,057.80

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Solution

The fourth proportional to 19,477.40, 29,216.10 and 12,057.80 is: 18,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.40 : 29,216.10 = 12,057.80 : x
  2. Step 2: Convert to fraction form
    19,477.40/29,216.10 = 12,057.80/x
  3. Step 3: Cross multiply
    19,477.40x = 29,216.10 × 12,057.80
  4. Step 4: Simplify right side
    19,477.40x = 352,281,890.58
  5. Step 5: Solve for x
    x = 352,281,890.58/19,477.40
  6. Step 6: Final answer
    x = 18,086.70

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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.