Home / 13,798.20-19,044.18-9,082.20

Finding the Fourth Proportional to 13,798.20, 19,044.18 and 9,082.20

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Solution

The fourth proportional to 13,798.20, 19,044.18 and 9,082.20 is: 12,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.20 : 19,044.18 = 9,082.20 : x
  2. Step 2: Convert to fraction form
    13,798.20/19,044.18 = 9,082.20/x
  3. Step 3: Cross multiply
    13,798.20x = 19,044.18 × 9,082.20
  4. Step 4: Simplify right side
    13,798.20x = 172,963,051.60
  5. Step 5: Solve for x
    x = 172,963,051.60/13,798.20
  6. Step 6: Final answer
    x = 12,535.19

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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.