Home / 14,759.32-20,368.18-8,384.90

Finding the Fourth Proportional to 14,759.32, 20,368.18 and 8,384.90

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Solution

The fourth proportional to 14,759.32, 20,368.18 and 8,384.90 is: 11,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.32 : 20,368.18 = 8,384.90 : x
  2. Step 2: Convert to fraction form
    14,759.32/20,368.18 = 8,384.90/x
  3. Step 3: Cross multiply
    14,759.32x = 20,368.18 × 8,384.90
  4. Step 4: Simplify right side
    14,759.32x = 170,785,152.48
  5. Step 5: Solve for x
    x = 170,785,152.48/14,759.32
  6. Step 6: Final answer
    x = 11,571.34

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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.