Home / 19,216.40-28,814.10-8,674.04

Finding the Fourth Proportional to 19,216.40, 28,814.10 and 8,674.04

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Solution

The fourth proportional to 19,216.40, 28,814.10 and 8,674.04 is: 13,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.40 : 28,814.10 = 8,674.04 : x
  2. Step 2: Convert to fraction form
    19,216.40/28,814.10 = 8,674.04/x
  3. Step 3: Cross multiply
    19,216.40x = 28,814.10 × 8,674.04
  4. Step 4: Simplify right side
    19,216.40x = 249,934,655.96
  5. Step 5: Solve for x
    x = 249,934,655.96/19,216.40
  6. Step 6: Final answer
    x = 13,006.32

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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.