Home / 13,141.30-19,724.10-6,572.20

Finding the Fourth Proportional to 13,141.30, 19,724.10 and 6,572.20

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Solution

The fourth proportional to 13,141.30, 19,724.10 and 6,572.20 is: 9,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.30 : 19,724.10 = 6,572.20 : x
  2. Step 2: Convert to fraction form
    13,141.30/19,724.10 = 6,572.20/x
  3. Step 3: Cross multiply
    13,141.30x = 19,724.10 × 6,572.20
  4. Step 4: Simplify right side
    13,141.30x = 129,630,730.02
  5. Step 5: Solve for x
    x = 129,630,730.02/13,141.30
  6. Step 6: Final answer
    x = 9,864.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.