Home / 14,777.03-20,389.52-8,809.26

Finding the Fourth Proportional to 14,777.03, 20,389.52 and 8,809.26

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Solution

The fourth proportional to 14,777.03, 20,389.52 and 8,809.26 is: 12,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.03 : 20,389.52 = 8,809.26 : x
  2. Step 2: Convert to fraction form
    14,777.03/20,389.52 = 8,809.26/x
  3. Step 3: Cross multiply
    14,777.03x = 20,389.52 × 8,809.26
  4. Step 4: Simplify right side
    14,777.03x = 179,616,582.96
  5. Step 5: Solve for x
    x = 179,616,582.96/14,777.03
  6. Step 6: Final answer
    x = 12,155.12

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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.