Home / 13,142.06-19,701.36-4,820.13

Finding the Fourth Proportional to 13,142.06, 19,701.36 and 4,820.13

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Solution

The fourth proportional to 13,142.06, 19,701.36 and 4,820.13 is: 7,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.06 : 19,701.36 = 4,820.13 : x
  2. Step 2: Convert to fraction form
    13,142.06/19,701.36 = 4,820.13/x
  3. Step 3: Cross multiply
    13,142.06x = 19,701.36 × 4,820.13
  4. Step 4: Simplify right side
    13,142.06x = 94,963,116.38
  5. Step 5: Solve for x
    x = 94,963,116.38/13,142.06
  6. Step 6: Final answer
    x = 7,225.90

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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.