Home / 13,984.55-19,298.12-8,012.08

Finding the Fourth Proportional to 13,984.55, 19,298.12 and 8,012.08

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Solution

The fourth proportional to 13,984.55, 19,298.12 and 8,012.08 is: 11,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.55 : 19,298.12 = 8,012.08 : x
  2. Step 2: Convert to fraction form
    13,984.55/19,298.12 = 8,012.08/x
  3. Step 3: Cross multiply
    13,984.55x = 19,298.12 × 8,012.08
  4. Step 4: Simplify right side
    13,984.55x = 154,617,944.74
  5. Step 5: Solve for x
    x = 154,617,944.74/13,984.55
  6. Step 6: Final answer
    x = 11,056.34

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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.