Home / 13,010.16-17,939.16-10,357.68

Finding the Fourth Proportional to 13,010.16, 17,939.16 and 10,357.68

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Solution

The fourth proportional to 13,010.16, 17,939.16 and 10,357.68 is: 14,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.16 : 17,939.16 = 10,357.68 : x
  2. Step 2: Convert to fraction form
    13,010.16/17,939.16 = 10,357.68/x
  3. Step 3: Cross multiply
    13,010.16x = 17,939.16 × 10,357.68
  4. Step 4: Simplify right side
    13,010.16x = 185,808,078.75
  5. Step 5: Solve for x
    x = 185,808,078.75/13,010.16
  6. Step 6: Final answer
    x = 14,281.77

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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.