Home / 11,032.11-15,223.95-6,315.48

Finding the Fourth Proportional to 11,032.11, 15,223.95 and 6,315.48

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Solution

The fourth proportional to 11,032.11, 15,223.95 and 6,315.48 is: 8,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,032.11 : 15,223.95 = 6,315.48 : x
  2. Step 2: Convert to fraction form
    11,032.11/15,223.95 = 6,315.48/x
  3. Step 3: Cross multiply
    11,032.11x = 15,223.95 × 6,315.48
  4. Step 4: Simplify right side
    11,032.11x = 96,146,551.75
  5. Step 5: Solve for x
    x = 96,146,551.75/11,032.11
  6. Step 6: Final answer
    x = 8,715.16

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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.