Home / 10,928.13-15,082.76-6,451.59

Finding the Fourth Proportional to 10,928.13, 15,082.76 and 6,451.59

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Solution

The fourth proportional to 10,928.13, 15,082.76 and 6,451.59 is: 8,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.13 : 15,082.76 = 6,451.59 : x
  2. Step 2: Convert to fraction form
    10,928.13/15,082.76 = 6,451.59/x
  3. Step 3: Cross multiply
    10,928.13x = 15,082.76 × 6,451.59
  4. Step 4: Simplify right side
    10,928.13x = 97,307,751.33
  5. Step 5: Solve for x
    x = 97,307,751.33/10,928.13
  6. Step 6: Final answer
    x = 8,904.34

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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.