Home / 12,606.04-18,908.52-5,208.40

Finding the Fourth Proportional to 12,606.04, 18,908.52 and 5,208.40

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Solution

The fourth proportional to 12,606.04, 18,908.52 and 5,208.40 is: 7,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.04 : 18,908.52 = 5,208.40 : x
  2. Step 2: Convert to fraction form
    12,606.04/18,908.52 = 5,208.40/x
  3. Step 3: Cross multiply
    12,606.04x = 18,908.52 × 5,208.40
  4. Step 4: Simplify right side
    12,606.04x = 98,483,135.57
  5. Step 5: Solve for x
    x = 98,483,135.57/12,606.04
  6. Step 6: Final answer
    x = 7,812.38

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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.