Home / 9,639.18-13,298.13-6,496.38

Finding the Fourth Proportional to 9,639.18, 13,298.13 and 6,496.38

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Solution

The fourth proportional to 9,639.18, 13,298.13 and 6,496.38 is: 8,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.18 : 13,298.13 = 6,496.38 : x
  2. Step 2: Convert to fraction form
    9,639.18/13,298.13 = 6,496.38/x
  3. Step 3: Cross multiply
    9,639.18x = 13,298.13 × 6,496.38
  4. Step 4: Simplify right side
    9,639.18x = 86,389,705.77
  5. Step 5: Solve for x
    x = 86,389,705.77/9,639.18
  6. Step 6: Final answer
    x = 8,962.35

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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.