Home / 13,251.11-18,294.71-10,064.57

Finding the Fourth Proportional to 13,251.11, 18,294.71 and 10,064.57

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Solution

The fourth proportional to 13,251.11, 18,294.71 and 10,064.57 is: 13,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.11 : 18,294.71 = 10,064.57 : x
  2. Step 2: Convert to fraction form
    13,251.11/18,294.71 = 10,064.57/x
  3. Step 3: Cross multiply
    13,251.11x = 18,294.71 × 10,064.57
  4. Step 4: Simplify right side
    13,251.11x = 184,128,247.63
  5. Step 5: Solve for x
    x = 184,128,247.63/13,251.11
  6. Step 6: Final answer
    x = 13,895.31

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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.