Home / 10,897.28-16,331.56-4,319.88

Finding the Fourth Proportional to 10,897.28, 16,331.56 and 4,319.88

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Solution

The fourth proportional to 10,897.28, 16,331.56 and 4,319.88 is: 6,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.28 : 16,331.56 = 4,319.88 : x
  2. Step 2: Convert to fraction form
    10,897.28/16,331.56 = 4,319.88/x
  3. Step 3: Cross multiply
    10,897.28x = 16,331.56 × 4,319.88
  4. Step 4: Simplify right side
    10,897.28x = 70,550,307.37
  5. Step 5: Solve for x
    x = 70,550,307.37/10,897.28
  6. Step 6: Final answer
    x = 6,474.12

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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.