Home / 13,010.48-17,954.80-7,703.36

Finding the Fourth Proportional to 13,010.48, 17,954.80 and 7,703.36

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Solution

The fourth proportional to 13,010.48, 17,954.80 and 7,703.36 is: 10,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.48 : 17,954.80 = 7,703.36 : x
  2. Step 2: Convert to fraction form
    13,010.48/17,954.80 = 7,703.36/x
  3. Step 3: Cross multiply
    13,010.48x = 17,954.80 × 7,703.36
  4. Step 4: Simplify right side
    13,010.48x = 138,312,288.13
  5. Step 5: Solve for x
    x = 138,312,288.13/13,010.48
  6. Step 6: Final answer
    x = 10,630.84

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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.