Home / 25,143.04-34,695.84-13,810.33

Finding the Fourth Proportional to 25,143.04, 34,695.84 and 13,810.33

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Solution

The fourth proportional to 25,143.04, 34,695.84 and 13,810.33 is: 19,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.04 : 34,695.84 = 13,810.33 : x
  2. Step 2: Convert to fraction form
    25,143.04/34,695.84 = 13,810.33/x
  3. Step 3: Cross multiply
    25,143.04x = 34,695.84 × 13,810.33
  4. Step 4: Simplify right side
    25,143.04x = 479,161,000.03
  5. Step 5: Solve for x
    x = 479,161,000.03/25,143.04
  6. Step 6: Final answer
    x = 19,057.40

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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.