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Finding the Fourth Proportional to 10,340.69, 14,275.10 and 6,365.21

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Solution

The fourth proportional to 10,340.69, 14,275.10 and 6,365.21 is: 8,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.69 : 14,275.10 = 6,365.21 : x
  2. Step 2: Convert to fraction form
    10,340.69/14,275.10 = 6,365.21/x
  3. Step 3: Cross multiply
    10,340.69x = 14,275.10 × 6,365.21
  4. Step 4: Simplify right side
    10,340.69x = 90,863,953.81
  5. Step 5: Solve for x
    x = 90,863,953.81/10,340.69
  6. Step 6: Final answer
    x = 8,787.03

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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.