Home / 11,206.03-15,430.97-10,957.40

Finding the Fourth Proportional to 11,206.03, 15,430.97 and 10,957.40

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Solution

The fourth proportional to 11,206.03, 15,430.97 and 10,957.40 is: 15,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.03 : 15,430.97 = 10,957.40 : x
  2. Step 2: Convert to fraction form
    11,206.03/15,430.97 = 10,957.40/x
  3. Step 3: Cross multiply
    11,206.03x = 15,430.97 × 10,957.40
  4. Step 4: Simplify right side
    11,206.03x = 169,083,310.68
  5. Step 5: Solve for x
    x = 169,083,310.68/11,206.03
  6. Step 6: Final answer
    x = 15,088.60

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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.