Home / 13,051.37-19,555.17-7,190.21

Finding the Fourth Proportional to 13,051.37, 19,555.17 and 7,190.21

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Solution

The fourth proportional to 13,051.37, 19,555.17 and 7,190.21 is: 10,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.37 : 19,555.17 = 7,190.21 : x
  2. Step 2: Convert to fraction form
    13,051.37/19,555.17 = 7,190.21/x
  3. Step 3: Cross multiply
    13,051.37x = 19,555.17 × 7,190.21
  4. Step 4: Simplify right side
    13,051.37x = 140,605,681.11
  5. Step 5: Solve for x
    x = 140,605,681.11/13,051.37
  6. Step 6: Final answer
    x = 10,773.25

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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.