Home / 14,018.76-21,009.46-6,625.18

Finding the Fourth Proportional to 14,018.76, 21,009.46 and 6,625.18

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Solution

The fourth proportional to 14,018.76, 21,009.46 and 6,625.18 is: 9,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.76 : 21,009.46 = 6,625.18 : x
  2. Step 2: Convert to fraction form
    14,018.76/21,009.46 = 6,625.18/x
  3. Step 3: Cross multiply
    14,018.76x = 21,009.46 × 6,625.18
  4. Step 4: Simplify right side
    14,018.76x = 139,191,454.20
  5. Step 5: Solve for x
    x = 139,191,454.20/14,018.76
  6. Step 6: Final answer
    x = 9,928.94

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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.