Home / 9,403.52-12,976.95-5,154.49

Finding the Fourth Proportional to 9,403.52, 12,976.95 and 5,154.49

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Solution

The fourth proportional to 9,403.52, 12,976.95 and 5,154.49 is: 7,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.52 : 12,976.95 = 5,154.49 : x
  2. Step 2: Convert to fraction form
    9,403.52/12,976.95 = 5,154.49/x
  3. Step 3: Cross multiply
    9,403.52x = 12,976.95 × 5,154.49
  4. Step 4: Simplify right side
    9,403.52x = 66,889,521.56
  5. Step 5: Solve for x
    x = 66,889,521.56/9,403.52
  6. Step 6: Final answer
    x = 7,113.25

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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.