Home / 9,576.40-14,328.51-8,605.21

Finding the Fourth Proportional to 9,576.40, 14,328.51 and 8,605.21

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Solution

The fourth proportional to 9,576.40, 14,328.51 and 8,605.21 is: 12,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.40 : 14,328.51 = 8,605.21 : x
  2. Step 2: Convert to fraction form
    9,576.40/14,328.51 = 8,605.21/x
  3. Step 3: Cross multiply
    9,576.40x = 14,328.51 × 8,605.21
  4. Step 4: Simplify right side
    9,576.40x = 123,299,837.54
  5. Step 5: Solve for x
    x = 123,299,837.54/9,576.40
  6. Step 6: Final answer
    x = 12,875.39

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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.