Home / 11,430.28-15,776.25-6,955.47

Finding the Fourth Proportional to 11,430.28, 15,776.25 and 6,955.47

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Solution

The fourth proportional to 11,430.28, 15,776.25 and 6,955.47 is: 9,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.28 : 15,776.25 = 6,955.47 : x
  2. Step 2: Convert to fraction form
    11,430.28/15,776.25 = 6,955.47/x
  3. Step 3: Cross multiply
    11,430.28x = 15,776.25 × 6,955.47
  4. Step 4: Simplify right side
    11,430.28x = 109,731,233.59
  5. Step 5: Solve for x
    x = 109,731,233.59/11,430.28
  6. Step 6: Final answer
    x = 9,600.05

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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.