Home / 13,297.06-19,903.47-7,435.90

Finding the Fourth Proportional to 13,297.06, 19,903.47 and 7,435.90

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Solution

The fourth proportional to 13,297.06, 19,903.47 and 7,435.90 is: 11,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.06 : 19,903.47 = 7,435.90 : x
  2. Step 2: Convert to fraction form
    13,297.06/19,903.47 = 7,435.90/x
  3. Step 3: Cross multiply
    13,297.06x = 19,903.47 × 7,435.90
  4. Step 4: Simplify right side
    13,297.06x = 148,000,212.57
  5. Step 5: Solve for x
    x = 148,000,212.57/13,297.06
  6. Step 6: Final answer
    x = 11,130.30

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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.