Home / 13,480.93-18,542.01-10,822.51

Finding the Fourth Proportional to 13,480.93, 18,542.01 and 10,822.51

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Solution

The fourth proportional to 13,480.93, 18,542.01 and 10,822.51 is: 14,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.93 : 18,542.01 = 10,822.51 : x
  2. Step 2: Convert to fraction form
    13,480.93/18,542.01 = 10,822.51/x
  3. Step 3: Cross multiply
    13,480.93x = 18,542.01 × 10,822.51
  4. Step 4: Simplify right side
    13,480.93x = 200,671,088.65
  5. Step 5: Solve for x
    x = 200,671,088.65/13,480.93
  6. Step 6: Final answer
    x = 14,885.55

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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.