Home / 9,711.55-13,399.66-7,054.35

Finding the Fourth Proportional to 9,711.55, 13,399.66 and 7,054.35

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Solution

The fourth proportional to 9,711.55, 13,399.66 and 7,054.35 is: 9,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.55 : 13,399.66 = 7,054.35 : x
  2. Step 2: Convert to fraction form
    9,711.55/13,399.66 = 7,054.35/x
  3. Step 3: Cross multiply
    9,711.55x = 13,399.66 × 7,054.35
  4. Step 4: Simplify right side
    9,711.55x = 94,525,891.52
  5. Step 5: Solve for x
    x = 94,525,891.52/9,711.55
  6. Step 6: Final answer
    x = 9,733.35

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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.