Home / 10,886.13-16,329.30-4,307.68

Finding the Fourth Proportional to 10,886.13, 16,329.30 and 4,307.68

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Solution

The fourth proportional to 10,886.13, 16,329.30 and 4,307.68 is: 6,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.13 : 16,329.30 = 4,307.68 : x
  2. Step 2: Convert to fraction form
    10,886.13/16,329.30 = 4,307.68/x
  3. Step 3: Cross multiply
    10,886.13x = 16,329.30 × 4,307.68
  4. Step 4: Simplify right side
    10,886.13x = 70,341,403.28
  5. Step 5: Solve for x
    x = 70,341,403.28/10,886.13
  6. Step 6: Final answer
    x = 6,461.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.