Home / 10,808.64-14,915.95-6,777.57

Finding the Fourth Proportional to 10,808.64, 14,915.95 and 6,777.57

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Solution

The fourth proportional to 10,808.64, 14,915.95 and 6,777.57 is: 9,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.64 : 14,915.95 = 6,777.57 : x
  2. Step 2: Convert to fraction form
    10,808.64/14,915.95 = 6,777.57/x
  3. Step 3: Cross multiply
    10,808.64x = 14,915.95 × 6,777.57
  4. Step 4: Simplify right side
    10,808.64x = 101,093,934.23
  5. Step 5: Solve for x
    x = 101,093,934.23/10,808.64
  6. Step 6: Final answer
    x = 9,353.07

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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.