Home / 9,403.26-12,976.23-5,154.40

Finding the Fourth Proportional to 9,403.26, 12,976.23 and 5,154.40

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Solution

The fourth proportional to 9,403.26, 12,976.23 and 5,154.40 is: 7,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.26 : 12,976.23 = 5,154.40 : x
  2. Step 2: Convert to fraction form
    9,403.26/12,976.23 = 5,154.40/x
  3. Step 3: Cross multiply
    9,403.26x = 12,976.23 × 5,154.40
  4. Step 4: Simplify right side
    9,403.26x = 66,884,715.46
  5. Step 5: Solve for x
    x = 66,884,715.46/9,403.26
  6. Step 6: Final answer
    x = 7,112.93

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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.