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Finding the Fourth Proportional to 10,384.93, 15,576 and 3,810.25

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Solution

The fourth proportional to 10,384.93, 15,576 and 3,810.25 is: 5,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.93 : 15,576 = 3,810.25 : x
  2. Step 2: Convert to fraction form
    10,384.93/15,576 = 3,810.25/x
  3. Step 3: Cross multiply
    10,384.93x = 15,576 × 3,810.25
  4. Step 4: Simplify right side
    10,384.93x = 59,348,454
  5. Step 5: Solve for x
    x = 59,348,454/10,384.93
  6. Step 6: Final answer
    x = 5,714.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.