Home / 14,190.13-19,582.98-7,902.50

Finding the Fourth Proportional to 14,190.13, 19,582.98 and 7,902.50

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Solution

The fourth proportional to 14,190.13, 19,582.98 and 7,902.50 is: 10,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.13 : 19,582.98 = 7,902.50 : x
  2. Step 2: Convert to fraction form
    14,190.13/19,582.98 = 7,902.50/x
  3. Step 3: Cross multiply
    14,190.13x = 19,582.98 × 7,902.50
  4. Step 4: Simplify right side
    14,190.13x = 154,754,499.45
  5. Step 5: Solve for x
    x = 154,754,499.45/14,190.13
  6. Step 6: Final answer
    x = 10,905.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.