Home / 14,010.55-19,334.29-7,637.20

Finding the Fourth Proportional to 14,010.55, 19,334.29 and 7,637.20

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Solution

The fourth proportional to 14,010.55, 19,334.29 and 7,637.20 is: 10,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.55 : 19,334.29 = 7,637.20 : x
  2. Step 2: Convert to fraction form
    14,010.55/19,334.29 = 7,637.20/x
  3. Step 3: Cross multiply
    14,010.55x = 19,334.29 × 7,637.20
  4. Step 4: Simplify right side
    14,010.55x = 147,659,839.59
  5. Step 5: Solve for x
    x = 147,659,839.59/14,010.55
  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.