Home / 13,015.49-19,511.28-4,693.55

Finding the Fourth Proportional to 13,015.49, 19,511.28 and 4,693.55

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Solution

The fourth proportional to 13,015.49, 19,511.28 and 4,693.55 is: 7,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.49 : 19,511.28 = 4,693.55 : x
  2. Step 2: Convert to fraction form
    13,015.49/19,511.28 = 4,693.55/x
  3. Step 3: Cross multiply
    13,015.49x = 19,511.28 × 4,693.55
  4. Step 4: Simplify right side
    13,015.49x = 91,577,070.69
  5. Step 5: Solve for x
    x = 91,577,070.69/13,015.49
  6. Step 6: Final answer
    x = 7,036.01

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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.