Home / 18,411.61-27,616.62-5,931.35

Finding the Fourth Proportional to 18,411.61, 27,616.62 and 5,931.35

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Solution

The fourth proportional to 18,411.61, 27,616.62 and 5,931.35 is: 8,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.61 : 27,616.62 = 5,931.35 : x
  2. Step 2: Convert to fraction form
    18,411.61/27,616.62 = 5,931.35/x
  3. Step 3: Cross multiply
    18,411.61x = 27,616.62 × 5,931.35
  4. Step 4: Simplify right side
    18,411.61x = 163,803,908.08
  5. Step 5: Solve for x
    x = 163,803,908.08/18,411.61
  6. Step 6: Final answer
    x = 8,896.77

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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.