Home / 15,784.20-23,645.10-10,241.40

Finding the Fourth Proportional to 15,784.20, 23,645.10 and 10,241.40

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Solution

The fourth proportional to 15,784.20, 23,645.10 and 10,241.40 is: 15,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.20 : 23,645.10 = 10,241.40 : x
  2. Step 2: Convert to fraction form
    15,784.20/23,645.10 = 10,241.40/x
  3. Step 3: Cross multiply
    15,784.20x = 23,645.10 × 10,241.40
  4. Step 4: Simplify right side
    15,784.20x = 242,158,927.14
  5. Step 5: Solve for x
    x = 242,158,927.14/15,784.20
  6. Step 6: Final answer
    x = 15,341.86

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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.