Home / 14,739.71-20,337.26-8,364.87

Finding the Fourth Proportional to 14,739.71, 20,337.26 and 8,364.87

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Solution

The fourth proportional to 14,739.71, 20,337.26 and 8,364.87 is: 11,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.71 : 20,337.26 = 8,364.87 : x
  2. Step 2: Convert to fraction form
    14,739.71/20,337.26 = 8,364.87/x
  3. Step 3: Cross multiply
    14,739.71x = 20,337.26 × 8,364.87
  4. Step 4: Simplify right side
    14,739.71x = 170,118,494.23
  5. Step 5: Solve for x
    x = 170,118,494.23/14,739.71
  6. Step 6: Final answer
    x = 11,541.51

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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.