Home / 10,018.20-15,032.70-4,175.40

Finding the Fourth Proportional to 10,018.20, 15,032.70 and 4,175.40

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Solution

The fourth proportional to 10,018.20, 15,032.70 and 4,175.40 is: 6,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.20 : 15,032.70 = 4,175.40 : x
  2. Step 2: Convert to fraction form
    10,018.20/15,032.70 = 4,175.40/x
  3. Step 3: Cross multiply
    10,018.20x = 15,032.70 × 4,175.40
  4. Step 4: Simplify right side
    10,018.20x = 62,767,535.58
  5. Step 5: Solve for x
    x = 62,767,535.58/10,018.20
  6. Step 6: Final answer
    x = 6,265.35

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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.