Home / 10,189.92-14,058.72-6,209.76

Finding the Fourth Proportional to 10,189.92, 14,058.72 and 6,209.76

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Solution

The fourth proportional to 10,189.92, 14,058.72 and 6,209.76 is: 8,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.92 : 14,058.72 = 6,209.76 : x
  2. Step 2: Convert to fraction form
    10,189.92/14,058.72 = 6,209.76/x
  3. Step 3: Cross multiply
    10,189.92x = 14,058.72 × 6,209.76
  4. Step 4: Simplify right side
    10,189.92x = 87,301,277.11
  5. Step 5: Solve for x
    x = 87,301,277.11/10,189.92
  6. Step 6: Final answer
    x = 8,567.42

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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.