Home / 14,534.64-20,077.56-11,387.75

Finding the Fourth Proportional to 14,534.64, 20,077.56 and 11,387.75

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Solution

The fourth proportional to 14,534.64, 20,077.56 and 11,387.75 is: 15,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.64 : 20,077.56 = 11,387.75 : x
  2. Step 2: Convert to fraction form
    14,534.64/20,077.56 = 11,387.75/x
  3. Step 3: Cross multiply
    14,534.64x = 20,077.56 × 11,387.75
  4. Step 4: Simplify right side
    14,534.64x = 228,638,133.50
  5. Step 5: Solve for x
    x = 228,638,133.50/14,534.64
  6. Step 6: Final answer
    x = 15,730.57

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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.