Home / 13,302.01-18,356.77-7,637.12

Finding the Fourth Proportional to 13,302.01, 18,356.77 and 7,637.12

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Solution

The fourth proportional to 13,302.01, 18,356.77 and 7,637.12 is: 10,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.01 : 18,356.77 = 7,637.12 : x
  2. Step 2: Convert to fraction form
    13,302.01/18,356.77 = 7,637.12/x
  3. Step 3: Cross multiply
    13,302.01x = 18,356.77 × 7,637.12
  4. Step 4: Simplify right side
    13,302.01x = 140,192,899.31
  5. Step 5: Solve for x
    x = 140,192,899.31/13,302.01
  6. Step 6: Final answer
    x = 10,539.23

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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.