Home / 10,742.79-16,071.11-8,897.50

Finding the Fourth Proportional to 10,742.79, 16,071.11 and 8,897.50

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Solution

The fourth proportional to 10,742.79, 16,071.11 and 8,897.50 is: 13,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.79 : 16,071.11 = 8,897.50 : x
  2. Step 2: Convert to fraction form
    10,742.79/16,071.11 = 8,897.50/x
  3. Step 3: Cross multiply
    10,742.79x = 16,071.11 × 8,897.50
  4. Step 4: Simplify right side
    10,742.79x = 142,992,701.23
  5. Step 5: Solve for x
    x = 142,992,701.23/10,742.79
  6. Step 6: Final answer
    x = 13,310.57

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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.