Home / 13,973.28-19,285.87-8,008.95

Finding the Fourth Proportional to 13,973.28, 19,285.87 and 8,008.95

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Solution

The fourth proportional to 13,973.28, 19,285.87 and 8,008.95 is: 11,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.28 : 19,285.87 = 8,008.95 : x
  2. Step 2: Convert to fraction form
    13,973.28/19,285.87 = 8,008.95/x
  3. Step 3: Cross multiply
    13,973.28x = 19,285.87 × 8,008.95
  4. Step 4: Simplify right side
    13,973.28x = 154,459,578.55
  5. Step 5: Solve for x
    x = 154,459,578.55/13,973.28
  6. Step 6: Final answer
    x = 11,053.92

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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.