Home / 14,210.64-21,309.48-8,368.92

Finding the Fourth Proportional to 14,210.64, 21,309.48 and 8,368.92

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Solution

The fourth proportional to 14,210.64, 21,309.48 and 8,368.92 is: 12,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.64 : 21,309.48 = 8,368.92 : x
  2. Step 2: Convert to fraction form
    14,210.64/21,309.48 = 8,368.92/x
  3. Step 3: Cross multiply
    14,210.64x = 21,309.48 × 8,368.92
  4. Step 4: Simplify right side
    14,210.64x = 178,337,333.36
  5. Step 5: Solve for x
    x = 178,337,333.36/14,210.64
  6. Step 6: Final answer
    x = 12,549.56

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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.