Home / 14,885.29-20,534.52-8,915.77

Finding the Fourth Proportional to 14,885.29, 20,534.52 and 8,915.77

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Solution

The fourth proportional to 14,885.29, 20,534.52 and 8,915.77 is: 12,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.29 : 20,534.52 = 8,915.77 : x
  2. Step 2: Convert to fraction form
    14,885.29/20,534.52 = 8,915.77/x
  3. Step 3: Cross multiply
    14,885.29x = 20,534.52 × 8,915.77
  4. Step 4: Simplify right side
    14,885.29x = 183,081,057.38
  5. Step 5: Solve for x
    x = 183,081,057.38/14,885.29
  6. Step 6: Final answer
    x = 12,299.46

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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.