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Finding the Fourth Proportional to 12,566.40, 18,850.02 and 6,323.04

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Solution

The fourth proportional to 12,566.40, 18,850.02 and 6,323.04 is: 9,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.40 : 18,850.02 = 6,323.04 : x
  2. Step 2: Convert to fraction form
    12,566.40/18,850.02 = 6,323.04/x
  3. Step 3: Cross multiply
    12,566.40x = 18,850.02 × 6,323.04
  4. Step 4: Simplify right side
    12,566.40x = 119,189,430.46
  5. Step 5: Solve for x
    x = 119,189,430.46/12,566.40
  6. Step 6: Final answer
    x = 9,484.77

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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.