Home / 14,743.84-20,346.78-8,776.30

Finding the Fourth Proportional to 14,743.84, 20,346.78 and 8,776.30

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Solution

The fourth proportional to 14,743.84, 20,346.78 and 8,776.30 is: 12,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.84 : 20,346.78 = 8,776.30 : x
  2. Step 2: Convert to fraction form
    14,743.84/20,346.78 = 8,776.30/x
  3. Step 3: Cross multiply
    14,743.84x = 20,346.78 × 8,776.30
  4. Step 4: Simplify right side
    14,743.84x = 178,569,445.31
  5. Step 5: Solve for x
    x = 178,569,445.31/14,743.84
  6. Step 6: Final answer
    x = 12,111.46

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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.