Home / 12,616.08-18,937.04-10,417.80

Finding the Fourth Proportional to 12,616.08, 18,937.04 and 10,417.80

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Solution

The fourth proportional to 12,616.08, 18,937.04 and 10,417.80 is: 15,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.08 : 18,937.04 = 10,417.80 : x
  2. Step 2: Convert to fraction form
    12,616.08/18,937.04 = 10,417.80/x
  3. Step 3: Cross multiply
    12,616.08x = 18,937.04 × 10,417.80
  4. Step 4: Simplify right side
    12,616.08x = 197,282,295.31
  5. Step 5: Solve for x
    x = 197,282,295.31/12,616.08
  6. Step 6: Final answer
    x = 15,637.37

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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.