Home / 14,018.61-21,024.33-4,155.58

Finding the Fourth Proportional to 14,018.61, 21,024.33 and 4,155.58

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Solution

The fourth proportional to 14,018.61, 21,024.33 and 4,155.58 is: 6,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.61 : 21,024.33 = 4,155.58 : x
  2. Step 2: Convert to fraction form
    14,018.61/21,024.33 = 4,155.58/x
  3. Step 3: Cross multiply
    14,018.61x = 21,024.33 × 4,155.58
  4. Step 4: Simplify right side
    14,018.61x = 87,368,285.26
  5. Step 5: Solve for x
    x = 87,368,285.26/14,018.61
  6. Step 6: Final answer
    x = 6,232.31

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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.