Home / 13,133.48-19,687.64-4,362.24

Finding the Fourth Proportional to 13,133.48, 19,687.64 and 4,362.24

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Solution

The fourth proportional to 13,133.48, 19,687.64 and 4,362.24 is: 6,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.48 : 19,687.64 = 4,362.24 : x
  2. Step 2: Convert to fraction form
    13,133.48/19,687.64 = 4,362.24/x
  3. Step 3: Cross multiply
    13,133.48x = 19,687.64 × 4,362.24
  4. Step 4: Simplify right side
    13,133.48x = 85,882,210.71
  5. Step 5: Solve for x
    x = 85,882,210.71/13,133.48
  6. Step 6: Final answer
    x = 6,539.18

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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.