Home / 13,239.04-19,861.84-4,005.04

Finding the Fourth Proportional to 13,239.04, 19,861.84 and 4,005.04

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Solution

The fourth proportional to 13,239.04, 19,861.84 and 4,005.04 is: 6,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.04 : 19,861.84 = 4,005.04 : x
  2. Step 2: Convert to fraction form
    13,239.04/19,861.84 = 4,005.04/x
  3. Step 3: Cross multiply
    13,239.04x = 19,861.84 × 4,005.04
  4. Step 4: Simplify right side
    13,239.04x = 79,547,463.67
  5. Step 5: Solve for x
    x = 79,547,463.67/13,239.04
  6. Step 6: Final answer
    x = 6,008.55

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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.