Home / 14,869.81-20,518.85-8,584.21

Finding the Fourth Proportional to 14,869.81, 20,518.85 and 8,584.21

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Solution

The fourth proportional to 14,869.81, 20,518.85 and 8,584.21 is: 11,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.81 : 20,518.85 = 8,584.21 : x
  2. Step 2: Convert to fraction form
    14,869.81/20,518.85 = 8,584.21/x
  3. Step 3: Cross multiply
    14,869.81x = 20,518.85 × 8,584.21
  4. Step 4: Simplify right side
    14,869.81x = 176,138,117.36
  5. Step 5: Solve for x
    x = 176,138,117.36/14,869.81
  6. Step 6: Final answer
    x = 11,845.35

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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.