Home / 13,867.04-19,136.48-8,278.08

Finding the Fourth Proportional to 13,867.04, 19,136.48 and 8,278.08

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Solution

The fourth proportional to 13,867.04, 19,136.48 and 8,278.08 is: 11,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.04 : 19,136.48 = 8,278.08 : x
  2. Step 2: Convert to fraction form
    13,867.04/19,136.48 = 8,278.08/x
  3. Step 3: Cross multiply
    13,867.04x = 19,136.48 × 8,278.08
  4. Step 4: Simplify right side
    13,867.04x = 158,413,312.36
  5. Step 5: Solve for x
    x = 158,413,312.36/13,867.04
  6. Step 6: Final answer
    x = 11,423.73

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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.