Home / 14,188.13-19,580.22-7,900.50

Finding the Fourth Proportional to 14,188.13, 19,580.22 and 7,900.50

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Solution

The fourth proportional to 14,188.13, 19,580.22 and 7,900.50 is: 10,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.13 : 19,580.22 = 7,900.50 : x
  2. Step 2: Convert to fraction form
    14,188.13/19,580.22 = 7,900.50/x
  3. Step 3: Cross multiply
    14,188.13x = 19,580.22 × 7,900.50
  4. Step 4: Simplify right side
    14,188.13x = 154,693,528.11
  5. Step 5: Solve for x
    x = 154,693,528.11/14,188.13
  6. Step 6: Final answer
    x = 10,903.02

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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.