Home / 13,068.81-19,603.58-3,208.05

Finding the Fourth Proportional to 13,068.81, 19,603.58 and 3,208.05

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Solution

The fourth proportional to 13,068.81, 19,603.58 and 3,208.05 is: 4,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.81 : 19,603.58 = 3,208.05 : x
  2. Step 2: Convert to fraction form
    13,068.81/19,603.58 = 3,208.05/x
  3. Step 3: Cross multiply
    13,068.81x = 19,603.58 × 3,208.05
  4. Step 4: Simplify right side
    13,068.81x = 62,889,248.78
  5. Step 5: Solve for x
    x = 62,889,248.78/13,068.81
  6. Step 6: Final answer
    x = 4,812.16

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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.