Home / 13,363.28-18,430.14-10,013.96

Finding the Fourth Proportional to 13,363.28, 18,430.14 and 10,013.96

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Solution

The fourth proportional to 13,363.28, 18,430.14 and 10,013.96 is: 13,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.28 : 18,430.14 = 10,013.96 : x
  2. Step 2: Convert to fraction form
    13,363.28/18,430.14 = 10,013.96/x
  3. Step 3: Cross multiply
    13,363.28x = 18,430.14 × 10,013.96
  4. Step 4: Simplify right side
    13,363.28x = 184,558,684.75
  5. Step 5: Solve for x
    x = 184,558,684.75/13,363.28
  6. Step 6: Final answer
    x = 13,810.88

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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.