Home / 15,590.56-21,465.11-12,616.24

Finding the Fourth Proportional to 15,590.56, 21,465.11 and 12,616.24

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Solution

The fourth proportional to 15,590.56, 21,465.11 and 12,616.24 is: 17,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.56 : 21,465.11 = 12,616.24 : x
  2. Step 2: Convert to fraction form
    15,590.56/21,465.11 = 12,616.24/x
  3. Step 3: Cross multiply
    15,590.56x = 21,465.11 × 12,616.24
  4. Step 4: Simplify right side
    15,590.56x = 270,808,979.39
  5. Step 5: Solve for x
    x = 270,808,979.39/15,590.56
  6. Step 6: Final answer
    x = 17,370.06

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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.