Home / 15,050.88-20,749.68-10,015.32

Finding the Fourth Proportional to 15,050.88, 20,749.68 and 10,015.32

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Solution

The fourth proportional to 15,050.88, 20,749.68 and 10,015.32 is: 13,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.88 : 20,749.68 = 10,015.32 : x
  2. Step 2: Convert to fraction form
    15,050.88/20,749.68 = 10,015.32/x
  3. Step 3: Cross multiply
    15,050.88x = 20,749.68 × 10,015.32
  4. Step 4: Simplify right side
    15,050.88x = 207,814,685.10
  5. Step 5: Solve for x
    x = 207,814,685.10/15,050.88
  6. Step 6: Final answer
    x = 13,807.48

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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.