Home / 14,530.99-20,053.70-8,158.05

Finding the Fourth Proportional to 14,530.99, 20,053.70 and 8,158.05

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Solution

The fourth proportional to 14,530.99, 20,053.70 and 8,158.05 is: 11,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.99 : 20,053.70 = 8,158.05 : x
  2. Step 2: Convert to fraction form
    14,530.99/20,053.70 = 8,158.05/x
  3. Step 3: Cross multiply
    14,530.99x = 20,053.70 × 8,158.05
  4. Step 4: Simplify right side
    14,530.99x = 163,599,087.29
  5. Step 5: Solve for x
    x = 163,599,087.29/14,530.99
  6. Step 6: Final answer
    x = 11,258.63

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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.