Home / 14,589.36-21,859.20-9,899.28

Finding the Fourth Proportional to 14,589.36, 21,859.20 and 9,899.28

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Solution

The fourth proportional to 14,589.36, 21,859.20 and 9,899.28 is: 14,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.36 : 21,859.20 = 9,899.28 : x
  2. Step 2: Convert to fraction form
    14,589.36/21,859.20 = 9,899.28/x
  3. Step 3: Cross multiply
    14,589.36x = 21,859.20 × 9,899.28
  4. Step 4: Simplify right side
    14,589.36x = 216,390,341.38
  5. Step 5: Solve for x
    x = 216,390,341.38/14,589.36
  6. Step 6: Final answer
    x = 14,832.07

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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.