Home / 13,358.64-20,039.78-5,565.63

Finding the Fourth Proportional to 13,358.64, 20,039.78 and 5,565.63

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Solution

The fourth proportional to 13,358.64, 20,039.78 and 5,565.63 is: 8,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.64 : 20,039.78 = 5,565.63 : x
  2. Step 2: Convert to fraction form
    13,358.64/20,039.78 = 5,565.63/x
  3. Step 3: Cross multiply
    13,358.64x = 20,039.78 × 5,565.63
  4. Step 4: Simplify right side
    13,358.64x = 111,534,000.76
  5. Step 5: Solve for x
    x = 111,534,000.76/13,358.64
  6. Step 6: Final answer
    x = 8,349.20

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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.