Home / 15,814.80-23,693.40-12,877.20

Finding the Fourth Proportional to 15,814.80, 23,693.40 and 12,877.20

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Solution

The fourth proportional to 15,814.80, 23,693.40 and 12,877.20 is: 19,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.80 : 23,693.40 = 12,877.20 : x
  2. Step 2: Convert to fraction form
    15,814.80/23,693.40 = 12,877.20/x
  3. Step 3: Cross multiply
    15,814.80x = 23,693.40 × 12,877.20
  4. Step 4: Simplify right side
    15,814.80x = 305,104,650.48
  5. Step 5: Solve for x
    x = 305,104,650.48/15,814.80
  6. Step 6: Final answer
    x = 19,292.35

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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.