Home / 9,403.49-12,976.12-5,153.87

Finding the Fourth Proportional to 9,403.49, 12,976.12 and 5,153.87

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Solution

The fourth proportional to 9,403.49, 12,976.12 and 5,153.87 is: 7,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.49 : 12,976.12 = 5,153.87 : x
  2. Step 2: Convert to fraction form
    9,403.49/12,976.12 = 5,153.87/x
  3. Step 3: Cross multiply
    9,403.49x = 12,976.12 × 5,153.87
  4. Step 4: Simplify right side
    9,403.49x = 66,877,235.58
  5. Step 5: Solve for x
    x = 66,877,235.58/9,403.49
  6. Step 6: Final answer
    x = 7,111.96

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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.