Home / 14,528.90-20,059.47-11,165.60

Finding the Fourth Proportional to 14,528.90, 20,059.47 and 11,165.60

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Solution

The fourth proportional to 14,528.90, 20,059.47 and 11,165.60 is: 15,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.90 : 20,059.47 = 11,165.60 : x
  2. Step 2: Convert to fraction form
    14,528.90/20,059.47 = 11,165.60/x
  3. Step 3: Cross multiply
    14,528.90x = 20,059.47 × 11,165.60
  4. Step 4: Simplify right side
    14,528.90x = 223,976,018.23
  5. Step 5: Solve for x
    x = 223,976,018.23/14,528.90
  6. Step 6: Final answer
    x = 15,415.90

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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.