Home / 13,085.80-19,628.70-10,493.80

Finding the Fourth Proportional to 13,085.80, 19,628.70 and 10,493.80

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Solution

The fourth proportional to 13,085.80, 19,628.70 and 10,493.80 is: 15,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.80 : 19,628.70 = 10,493.80 : x
  2. Step 2: Convert to fraction form
    13,085.80/19,628.70 = 10,493.80/x
  3. Step 3: Cross multiply
    13,085.80x = 19,628.70 × 10,493.80
  4. Step 4: Simplify right side
    13,085.80x = 205,979,652.06
  5. Step 5: Solve for x
    x = 205,979,652.06/13,085.80
  6. Step 6: Final answer
    x = 15,740.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.