Home / 13,122.30-19,686.42-4,802.28

Finding the Fourth Proportional to 13,122.30, 19,686.42 and 4,802.28

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Solution

The fourth proportional to 13,122.30, 19,686.42 and 4,802.28 is: 7,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.30 : 19,686.42 = 4,802.28 : x
  2. Step 2: Convert to fraction form
    13,122.30/19,686.42 = 4,802.28/x
  3. Step 3: Cross multiply
    13,122.30x = 19,686.42 × 4,802.28
  4. Step 4: Simplify right side
    13,122.30x = 94,539,701.04
  5. Step 5: Solve for x
    x = 94,539,701.04/13,122.30
  6. Step 6: Final answer
    x = 7,204.51

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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.