Home / 11,315.10-15,616.71-6,599.39

Finding the Fourth Proportional to 11,315.10, 15,616.71 and 6,599.39

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Solution

The fourth proportional to 11,315.10, 15,616.71 and 6,599.39 is: 9,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.10 : 15,616.71 = 6,599.39 : x
  2. Step 2: Convert to fraction form
    11,315.10/15,616.71 = 6,599.39/x
  3. Step 3: Cross multiply
    11,315.10x = 15,616.71 × 6,599.39
  4. Step 4: Simplify right side
    11,315.10x = 103,060,681.72
  5. Step 5: Solve for x
    x = 103,060,681.72/11,315.10
  6. Step 6: Final answer
    x = 9,108.24

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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.