Home / 20,124.32-30,164.64-10,250.08

Finding the Fourth Proportional to 20,124.32, 30,164.64 and 10,250.08

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Solution

The fourth proportional to 20,124.32, 30,164.64 and 10,250.08 is: 15,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.32 : 30,164.64 = 10,250.08 : x
  2. Step 2: Convert to fraction form
    20,124.32/30,164.64 = 10,250.08/x
  3. Step 3: Cross multiply
    20,124.32x = 30,164.64 × 10,250.08
  4. Step 4: Simplify right side
    20,124.32x = 309,189,973.17
  5. Step 5: Solve for x
    x = 309,189,973.17/20,124.32
  6. Step 6: Final answer
    x = 15,364.00

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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.