Home / 8,407.23-12,599.10-6,324.81

Finding the Fourth Proportional to 8,407.23, 12,599.10 and 6,324.81

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Solution

The fourth proportional to 8,407.23, 12,599.10 and 6,324.81 is: 9,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.23 : 12,599.10 = 6,324.81 : x
  2. Step 2: Convert to fraction form
    8,407.23/12,599.10 = 6,324.81/x
  3. Step 3: Cross multiply
    8,407.23x = 12,599.10 × 6,324.81
  4. Step 4: Simplify right side
    8,407.23x = 79,686,913.67
  5. Step 5: Solve for x
    x = 79,686,913.67/8,407.23
  6. Step 6: Final answer
    x = 9,478.38

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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.