Home / 19,365.10-29,051.70-6,218.80

Finding the Fourth Proportional to 19,365.10, 29,051.70 and 6,218.80

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Solution

The fourth proportional to 19,365.10, 29,051.70 and 6,218.80 is: 9,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.10 : 29,051.70 = 6,218.80 : x
  2. Step 2: Convert to fraction form
    19,365.10/29,051.70 = 6,218.80/x
  3. Step 3: Cross multiply
    19,365.10x = 29,051.70 × 6,218.80
  4. Step 4: Simplify right side
    19,365.10x = 180,666,711.96
  5. Step 5: Solve for x
    x = 180,666,711.96/19,365.10
  6. Step 6: Final answer
    x = 9,329.50

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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.