Home / 10,038.20-15,062.70-4,195.40

Finding the Fourth Proportional to 10,038.20, 15,062.70 and 4,195.40

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Solution

The fourth proportional to 10,038.20, 15,062.70 and 4,195.40 is: 6,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.20 : 15,062.70 = 4,195.40 : x
  2. Step 2: Convert to fraction form
    10,038.20/15,062.70 = 4,195.40/x
  3. Step 3: Cross multiply
    10,038.20x = 15,062.70 × 4,195.40
  4. Step 4: Simplify right side
    10,038.20x = 63,194,051.58
  5. Step 5: Solve for x
    x = 63,194,051.58/10,038.20
  6. Step 6: Final answer
    x = 6,295.36

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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.