Home / 14,674.28-20,250.08-8,386.64

Finding the Fourth Proportional to 14,674.28, 20,250.08 and 8,386.64

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Solution

The fourth proportional to 14,674.28, 20,250.08 and 8,386.64 is: 11,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.28 : 20,250.08 = 8,386.64 : x
  2. Step 2: Convert to fraction form
    14,674.28/20,250.08 = 8,386.64/x
  3. Step 3: Cross multiply
    14,674.28x = 20,250.08 × 8,386.64
  4. Step 4: Simplify right side
    14,674.28x = 169,830,130.93
  5. Step 5: Solve for x
    x = 169,830,130.93/14,674.28
  6. Step 6: Final answer
    x = 11,573.32

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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.