Home / 12,869.04-19,298.70-5,476.98

Finding the Fourth Proportional to 12,869.04, 19,298.70 and 5,476.98

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Solution

The fourth proportional to 12,869.04, 19,298.70 and 5,476.98 is: 8,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.04 : 19,298.70 = 5,476.98 : x
  2. Step 2: Convert to fraction form
    12,869.04/19,298.70 = 5,476.98/x
  3. Step 3: Cross multiply
    12,869.04x = 19,298.70 × 5,476.98
  4. Step 4: Simplify right side
    12,869.04x = 105,698,593.93
  5. Step 5: Solve for x
    x = 105,698,593.93/12,869.04
  6. Step 6: Final answer
    x = 8,213.40

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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.