Home / 11,502.64-15,869.13-6,465.70

Finding the Fourth Proportional to 11,502.64, 15,869.13 and 6,465.70

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Solution

The fourth proportional to 11,502.64, 15,869.13 and 6,465.70 is: 8,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.64 : 15,869.13 = 6,465.70 : x
  2. Step 2: Convert to fraction form
    11,502.64/15,869.13 = 6,465.70/x
  3. Step 3: Cross multiply
    11,502.64x = 15,869.13 × 6,465.70
  4. Step 4: Simplify right side
    11,502.64x = 102,604,954.50
  5. Step 5: Solve for x
    x = 102,604,954.50/11,502.64
  6. Step 6: Final answer
    x = 8,920.13

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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.