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Finding the Fourth Proportional to 10,779, 14,875.88 and 6,063.63

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Solution

The fourth proportional to 10,779, 14,875.88 and 6,063.63 is: 8,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779 : 14,875.88 = 6,063.63 : x
  2. Step 2: Convert to fraction form
    10,779/14,875.88 = 6,063.63/x
  3. Step 3: Cross multiply
    10,779x = 14,875.88 × 6,063.63
  4. Step 4: Simplify right side
    10,779x = 90,201,801.93
  5. Step 5: Solve for x
    x = 90,201,801.93/10,779
  6. Step 6: Final answer
    x = 8,368.29

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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.