Home / 14,189.28-19,580.45-7,901.25

Finding the Fourth Proportional to 14,189.28, 19,580.45 and 7,901.25

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Solution

The fourth proportional to 14,189.28, 19,580.45 and 7,901.25 is: 10,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.28 : 19,580.45 = 7,901.25 : x
  2. Step 2: Convert to fraction form
    14,189.28/19,580.45 = 7,901.25/x
  3. Step 3: Cross multiply
    14,189.28x = 19,580.45 × 7,901.25
  4. Step 4: Simplify right side
    14,189.28x = 154,709,991.06
  5. Step 5: Solve for x
    x = 154,709,991.06/14,189.28
  6. Step 6: Final answer
    x = 10,903.30

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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.