Home / 19,581.63-27,036.69-12,038.08

Finding the Fourth Proportional to 19,581.63, 27,036.69 and 12,038.08

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Solution

The fourth proportional to 19,581.63, 27,036.69 and 12,038.08 is: 16,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.63 : 27,036.69 = 12,038.08 : x
  2. Step 2: Convert to fraction form
    19,581.63/27,036.69 = 12,038.08/x
  3. Step 3: Cross multiply
    19,581.63x = 27,036.69 × 12,038.08
  4. Step 4: Simplify right side
    19,581.63x = 325,469,769.56
  5. Step 5: Solve for x
    x = 325,469,769.56/19,581.63
  6. Step 6: Final answer
    x = 16,621.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.