Home / 14,646.51-20,211.93-8,358.75

Finding the Fourth Proportional to 14,646.51, 20,211.93 and 8,358.75

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Solution

The fourth proportional to 14,646.51, 20,211.93 and 8,358.75 is: 11,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.51 : 20,211.93 = 8,358.75 : x
  2. Step 2: Convert to fraction form
    14,646.51/20,211.93 = 8,358.75/x
  3. Step 3: Cross multiply
    14,646.51x = 20,211.93 × 8,358.75
  4. Step 4: Simplify right side
    14,646.51x = 168,946,469.89
  5. Step 5: Solve for x
    x = 168,946,469.89/14,646.51
  6. Step 6: Final answer
    x = 11,534.93

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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.