Home / 9,358.36-12,914.50-5,166.68

Finding the Fourth Proportional to 9,358.36, 12,914.50 and 5,166.68

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Solution

The fourth proportional to 9,358.36, 12,914.50 and 5,166.68 is: 7,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.36 : 12,914.50 = 5,166.68 : x
  2. Step 2: Convert to fraction form
    9,358.36/12,914.50 = 5,166.68/x
  3. Step 3: Cross multiply
    9,358.36x = 12,914.50 × 5,166.68
  4. Step 4: Simplify right side
    9,358.36x = 66,725,088.86
  5. Step 5: Solve for x
    x = 66,725,088.86/9,358.36
  6. Step 6: Final answer
    x = 7,130.00

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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.