Home / 10,591.36-15,887.28-4,020.64

Finding the Fourth Proportional to 10,591.36, 15,887.28 and 4,020.64

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Solution

The fourth proportional to 10,591.36, 15,887.28 and 4,020.64 is: 6,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.36 : 15,887.28 = 4,020.64 : x
  2. Step 2: Convert to fraction form
    10,591.36/15,887.28 = 4,020.64/x
  3. Step 3: Cross multiply
    10,591.36x = 15,887.28 × 4,020.64
  4. Step 4: Simplify right side
    10,591.36x = 63,877,033.46
  5. Step 5: Solve for x
    x = 63,877,033.46/10,591.36
  6. Step 6: Final answer
    x = 6,031.05

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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.