Home / 13,079.95-19,617.09-4,760.17

Finding the Fourth Proportional to 13,079.95, 19,617.09 and 4,760.17

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Solution

The fourth proportional to 13,079.95, 19,617.09 and 4,760.17 is: 7,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.95 : 19,617.09 = 4,760.17 : x
  2. Step 2: Convert to fraction form
    13,079.95/19,617.09 = 4,760.17/x
  3. Step 3: Cross multiply
    13,079.95x = 19,617.09 × 4,760.17
  4. Step 4: Simplify right side
    13,079.95x = 93,380,683.31
  5. Step 5: Solve for x
    x = 93,380,683.31/13,079.95
  6. Step 6: Final answer
    x = 7,139.22

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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.