Home / 14,880.06-20,534.40-8,165.70

Finding the Fourth Proportional to 14,880.06, 20,534.40 and 8,165.70

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Solution

The fourth proportional to 14,880.06, 20,534.40 and 8,165.70 is: 11,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.06 : 20,534.40 = 8,165.70 : x
  2. Step 2: Convert to fraction form
    14,880.06/20,534.40 = 8,165.70/x
  3. Step 3: Cross multiply
    14,880.06x = 20,534.40 × 8,165.70
  4. Step 4: Simplify right side
    14,880.06x = 167,677,750.08
  5. Step 5: Solve for x
    x = 167,677,750.08/14,880.06
  6. Step 6: Final answer
    x = 11,268.62

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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.