Home / 9,868.68-13,612.82-6,510.30

Finding the Fourth Proportional to 9,868.68, 13,612.82 and 6,510.30

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Solution

The fourth proportional to 9,868.68, 13,612.82 and 6,510.30 is: 8,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.68 : 13,612.82 = 6,510.30 : x
  2. Step 2: Convert to fraction form
    9,868.68/13,612.82 = 6,510.30/x
  3. Step 3: Cross multiply
    9,868.68x = 13,612.82 × 6,510.30
  4. Step 4: Simplify right side
    9,868.68x = 88,623,542.05
  5. Step 5: Solve for x
    x = 88,623,542.05/9,868.68
  6. Step 6: Final answer
    x = 8,980.28

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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.