Home / 19,681.22-29,510.99-13,448.27

Finding the Fourth Proportional to 19,681.22, 29,510.99 and 13,448.27

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Solution

The fourth proportional to 19,681.22, 29,510.99 and 13,448.27 is: 20,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.22 : 29,510.99 = 13,448.27 : x
  2. Step 2: Convert to fraction form
    19,681.22/29,510.99 = 13,448.27/x
  3. Step 3: Cross multiply
    19,681.22x = 29,510.99 × 13,448.27
  4. Step 4: Simplify right side
    19,681.22x = 396,871,761.49
  5. Step 5: Solve for x
    x = 396,871,761.49/19,681.22
  6. Step 6: Final answer
    x = 20,165.00

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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.