Home / 11,007.60-16,487.10-4,430.40

Finding the Fourth Proportional to 11,007.60, 16,487.10 and 4,430.40

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Solution

The fourth proportional to 11,007.60, 16,487.10 and 4,430.40 is: 6,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.60 : 16,487.10 = 4,430.40 : x
  2. Step 2: Convert to fraction form
    11,007.60/16,487.10 = 4,430.40/x
  3. Step 3: Cross multiply
    11,007.60x = 16,487.10 × 4,430.40
  4. Step 4: Simplify right side
    11,007.60x = 73,044,447.84
  5. Step 5: Solve for x
    x = 73,044,447.84/11,007.60
  6. Step 6: Final answer
    x = 6,635.82

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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.