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Finding the Fourth Proportional to 10,521.09, 14,519.09 and 6,045.17

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Solution

The fourth proportional to 10,521.09, 14,519.09 and 6,045.17 is: 8,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.09 : 14,519.09 = 6,045.17 : x
  2. Step 2: Convert to fraction form
    10,521.09/14,519.09 = 6,045.17/x
  3. Step 3: Cross multiply
    10,521.09x = 14,519.09 × 6,045.17
  4. Step 4: Simplify right side
    10,521.09x = 87,770,264.47
  5. Step 5: Solve for x
    x = 87,770,264.47/10,521.09
  6. Step 6: Final answer
    x = 8,342.32

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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.