Home / 13,301.99-18,356.74-7,637.10

Finding the Fourth Proportional to 13,301.99, 18,356.74 and 7,637.10

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Solution

The fourth proportional to 13,301.99, 18,356.74 and 7,637.10 is: 10,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.99 : 18,356.74 = 7,637.10 : x
  2. Step 2: Convert to fraction form
    13,301.99/18,356.74 = 7,637.10/x
  3. Step 3: Cross multiply
    13,301.99x = 18,356.74 × 7,637.10
  4. Step 4: Simplify right side
    13,301.99x = 140,192,129.08
  5. Step 5: Solve for x
    x = 140,192,129.08/13,301.99
  6. Step 6: Final answer
    x = 10,539.19

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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.