Home / 14,085.48-19,420.32-9,040.80

Finding the Fourth Proportional to 14,085.48, 19,420.32 and 9,040.80

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Solution

The fourth proportional to 14,085.48, 19,420.32 and 9,040.80 is: 12,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.48 : 19,420.32 = 9,040.80 : x
  2. Step 2: Convert to fraction form
    14,085.48/19,420.32 = 9,040.80/x
  3. Step 3: Cross multiply
    14,085.48x = 19,420.32 × 9,040.80
  4. Step 4: Simplify right side
    14,085.48x = 175,575,229.06
  5. Step 5: Solve for x
    x = 175,575,229.06/14,085.48
  6. Step 6: Final answer
    x = 12,464.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.