Home / 19,371.16-29,015.50-14,639.04

Finding the Fourth Proportional to 19,371.16, 29,015.50 and 14,639.04

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Solution

The fourth proportional to 19,371.16, 29,015.50 and 14,639.04 is: 21,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.16 : 29,015.50 = 14,639.04 : x
  2. Step 2: Convert to fraction form
    19,371.16/29,015.50 = 14,639.04/x
  3. Step 3: Cross multiply
    19,371.16x = 29,015.50 × 14,639.04
  4. Step 4: Simplify right side
    19,371.16x = 424,759,065.12
  5. Step 5: Solve for x
    x = 424,759,065.12/19,371.16
  6. Step 6: Final answer
    x = 21,927.39

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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.