Home / 13,533.94-18,670.02-9,057.88

Finding the Fourth Proportional to 13,533.94, 18,670.02 and 9,057.88

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Solution

The fourth proportional to 13,533.94, 18,670.02 and 9,057.88 is: 12,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.94 : 18,670.02 = 9,057.88 : x
  2. Step 2: Convert to fraction form
    13,533.94/18,670.02 = 9,057.88/x
  3. Step 3: Cross multiply
    13,533.94x = 18,670.02 × 9,057.88
  4. Step 4: Simplify right side
    13,533.94x = 169,110,800.76
  5. Step 5: Solve for x
    x = 169,110,800.76/13,533.94
  6. Step 6: Final answer
    x = 12,495.31

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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.