Home / 17,860.72-24,644.64-10,782.40

Finding the Fourth Proportional to 17,860.72, 24,644.64 and 10,782.40

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Solution

The fourth proportional to 17,860.72, 24,644.64 and 10,782.40 is: 14,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.72 : 24,644.64 = 10,782.40 : x
  2. Step 2: Convert to fraction form
    17,860.72/24,644.64 = 10,782.40/x
  3. Step 3: Cross multiply
    17,860.72x = 24,644.64 × 10,782.40
  4. Step 4: Simplify right side
    17,860.72x = 265,728,366.34
  5. Step 5: Solve for x
    x = 265,728,366.34/17,860.72
  6. Step 6: Final answer
    x = 14,877.81

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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.