Home / 14,901.36-20,563.92-8,187.12

Finding the Fourth Proportional to 14,901.36, 20,563.92 and 8,187.12

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Solution

The fourth proportional to 14,901.36, 20,563.92 and 8,187.12 is: 11,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.36 : 20,563.92 = 8,187.12 : x
  2. Step 2: Convert to fraction form
    14,901.36/20,563.92 = 8,187.12/x
  3. Step 3: Cross multiply
    14,901.36x = 20,563.92 × 8,187.12
  4. Step 4: Simplify right side
    14,901.36x = 168,359,280.71
  5. Step 5: Solve for x
    x = 168,359,280.71/14,901.36
  6. Step 6: Final answer
    x = 11,298.25

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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.